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Proxima ASA BNDL-001 Network Card User Manual

1. Table B 5 Table B 5 DB 25 to DC 37 Data Port Cable Pin Assignments DC 37 DB 25 Signal Name Signal 17 24 TTA From DTE 35 11 TT B From DTE 7 4 RSA From DTE 25 19 RS B From DTE 6 3 RDA To DTE 24 16 RDB To DTE 4 2 SDA From DTE 22 14 SD B From DTE 11 6 DM A To DTE 29 22 DM B To DTE 9 5 CSA To DTE 27 13 CSB To DTE 12 20 TRA To DCE 30 23 TRB To DCE 13 8 RRA To DTE 31 10 RR B To DTE 8 17 RT A To DTE 26 9 RT B To DTE 5 15 SCT A To DTE 23 12 SCT B To DTE 19 7 Signal Ground NA 1 NC Frame Ground From DTE 18 25 TM To DTE DL3800E Inverse Multiplexer User s Guide July 9 2001 B COMMUNICATION PORT PIN ASSIGNMENTS RS 449 DC 37 to DB 25 DCE Cable Pin Assignments Table B 6 describes the RS 449 DC 37 to DB 25 DCE cable pin assignments Table B 6 RS 449 DC 37 to DB 25 DCE Cable Pin Assignments DC 37 DB 25 8 24 26 11 13 4 31 19 22 16 4 3 24 14 6 2 12 6 30 22 29 23 11 20 25 10 7 8 35 9 17 17 19 7 NC 1 Pinouts B 5 B PIN NETWORK PIN ASSIGNMENTS The network connector is a DA 15 connector The assignments for the Network connector are given below Table B 7 Network Pin Assignments SIGNAL 1 Send towards Network Tip T1 Send towards Network Ring R1 Frame Ground 9 2 3 Receive from Network Tip T 11 Receive from Network Ring R 4
2. DL3800E Inverse Multiplexer User s Guide July 9 2001 aN ll P LINK DL3800E SR 3 00 22 NODE 1 09 20 00 03 55 17 e SELECTED DEVICE ADDRESS 1 00 000 NAME NET STATISTICS PORT 1 Exit Repeat Clear Page 1 CURRENT SECONDS 563 PAST INTERVALS 192 ERROR FREE SECONDS 100 0 ESR 0 0 SESR 0 0 BBER 0 0 BPV EB FE ES SES BBE UAS CURRENT 0 0 0 0 0 0 0 CUMULATIVE 1 0 0 0 0 0 0 0 CUMULATIVE 2 0 0 0 0 0 0 0 03 30 03 45 0 0 0 0 0 0 0 03 15 03 30 0 0 0 0 0 0 0 03 00 03 15 0 0 0 0 0 0 0 02 45 03 00 0 0 0 0 0 0 0 02 30 02 45 0 0 0 0 0 0 0 M E Figure 4 5 Additional NET STATISTICS Table 4 3 NET Statistics Items Parameter Definition EFS Error Free Seconds EFS is calculated whenever ESR is calculated and is the simple percentage complement of ESR EFS 100 0 ESR When there have been UAS in the statistics history for the past 24 hours then EFS is set at 10076 ESR Errored Second Ratio ESR is the ratio of ES to total seconds in available time during a fixed measurement interval The fixed interval is the last 24 hours before the current 15 minute interval When there have been UAS in the statistics history for the past 24 hours then ESR is set at O 6 SESR Severely Errored Second Ration SESR is the ratio of SES to total seconds in available time during a fixed measurement interval The fixed interval to be used is the last 24 hours before the current 15 minute interval When there have been UA
3. Disable DCD Data Carrier Detect aborts especially on Procomm Copy the files off the floppy onto the hard drive on the PC The names of the files will vary in accordance with the current software revision The file name should look similar to the following V10xxxxx RAM Start the emulation program on the PC and set it up match the DL3800E unit comm port configuration Default configuration for the DL3800E unit is 9600 Baud 8 bits No parity 2 stop bits Connect the PC serial port to the DL3800E unit COMM PORT If the DL3800E unit is set up for Direct Terminal configuration typing a Ctr1 L will refresh the screen If it is set up for multidrop mode see Log In Log Off on page 4 1 on how to Log in to a unit Select the Software Download option from the SYSTEM UTILITIES MENU On the SYSTEM UTILITIES MENU scroll down to where it says None and press the space bar until the desired mode appears Select CONFIRM and press Enter again to save the change The DL3800E unit is now ready to receive a file Enter the file transfer mode on the terminal emulation program and transfer the appropriate file The file transfer will take at least 10 minutes at 9600 baud Once the file has downloaded the DL3800E unit will take up to 30 seconds to reboot if the IMMEDIATE SOFTWARE ACTIVATION feature is enabled If any communications errors were encountered it may be necessary to perform this operation again DL3800E Inverse
4. NODE CONFIGURATION MENU ENTER x UNIT ID Unit ID menu nim S UNIT NUMBER bh Unit number menu EXIT itj 4 ENTER gt REM ACCESS lt REM Access menu 4 ENTER ngin EB DATE amp TIME Date and Time menu ness e LASS d EXIT mim LL o gt NODE COMM PORT lt gt Node Comm Port menus nim NODE HW REV ENTER ENTER gt Node HW Rev EXIT The NODE CONFIGURATION MENU is used to configure various parameters of the DL3800E including the following 5 20 DL3800E Inverse Multiplexer User s Guide July 9 2001 O1 IIl Parameter Table 5 5 NODE CONFIGURATION MENU Items Definition Unit ID The Unit ID is an alphanumeric designation up to 16 characters in length The unit is shipped without a Unit ID To access Unit ID from the NODE CONFIGURATION MENU press Enter when Unit ID appears Press Enter again and the first space or letter blinks Use the arrows to select the desired letter or number Press Enter again to confirm the selection and move to the next letter or number Unit Number The Unit Number is a four digit number The unit is shipped from the factory without a number Note Each unit must be set to a different number to allow remote communication and daisy chaining of multiple units For example if the remote unit is set
5. table Typeface or Symbol Purpose Example Courier The names of commands files and Edit your login file Font directories as well as on screen Use 1s a to list all files AaBbCc123 computer output machine_name You have mail Courier The input you provide as contrasted machine name su Font Bold with on screen computer output AaBbCc123 Keystrokes that you must provide to use the application Press Ctrl L to refresh the screen Palatino Font Italic Command line placeholder that you replace with a real name or value To delete a file type rm filename Aapbec123 Book titles new words or terms or Refer to Chapter 6 words that need to be emphasized These are called class options You must be logged in as root to access this directory v Symbol that denotes a single step Zapf Dingbats Font procedure or task Procedures requiring more than one task are numbered Palatino Font Bold Blue Underscore AaBbCc123 Hyperlinks in the table of contents When viewing the Portable Document Format PDF version of this user guide you can click on one of these to jump directly to the selected subject matter Palatino Font Blue AaBbCc123 or AaBbCc123 Hyperlinks throughout general text Helvetica Bold Denotes actual markings on front or back panels Attach the cable to the TERMINAL port Preface e d d uM
6. 4 22 DL3800E Inverse Multiplexer User s Guide July 9 2001 aN II Table 4 6 DTE CONFIGURATION MENU Options Parameter Description Action DTE Interface This allows you to select V 35 RS449 X 21 or HSSI as the DTE Interface To change the present DTE Interface use the UP and DOWN ARROW keys to highlight DTE Interface Use the Space Bar to toggle between V 35 RS 449 X 21 and HSSI until the desired choice appears Highlight Confirm and press the Enter key to confirm the change Default V 35 DTE Toggle Interval This parameter determines the length of the interval during which the DTE lead indicating signal presence is deasserted when a change in the DTE data rate occurs The DTE data rate changes if a network port goes or is taken out of service or if a network loopback is set The DTE lead toggled is RLSD in V 35 RS449 and X 21 modes and CA in HSSI mode This toggle interval is needed by some DTE devices to allow resynchronization to the new data rate THe interval may be set to NONE 0 5 1 0 1 5 or 2 0 seconds Default NONE Clock This item allows you to enable either the SCT or SCTE leads and to set the transmit Tx and receive Rx to Normal or Inverted mode Note In x 21 mode SCT corresponds to the S clock signal and SCTE to the x clock signal To set the DTE Clock parameters use the UP and DOWN ARROW keys to highlight the configurable Clock items and use the Space Bar to toggle betwee
7. Alarm This item allows you to enable Report or disable Mask the DL3800E unit from reporting alarms or sending SNMP traps from any of the individual E1 network ports To change the present Alarm mode use the UP and DOWN ARROW keys to highlight the Alarm item in the appropriate line for the desired port and use the Space Bar to toggle between Report and Mask Highlight Confirm and press the Enter key to confirm any change Default Mask Active Restore Mode Selects the Active Restore Mode for each of the E1 network ports To change the present mode use the UP and DOWN ARROW keys to highlight the Active Restore Mode option for the desired port and use the Space Bar to toggle between the following selections until the desired choice appears use w auto restore failed line is restored automatically when problem is solved use w manual restore user must manually restore line Never Use never mux data onto this line Install Test only always mux data onto this line even when it s bad Default Never Use CRCA Allows CRCA coding to be enabled or disabled 4 26 DL3800E Inverse Multiplexer User s Guide July 9 2001 4 Parameter Table 4 7 NETWORK CONFIGURATION MENU Options Continued Description Action TSLOT16 Allows you to select between DATA and FLAG If DATA is selected timeslot 16 will be used for payload data If FLAG is selected timeslot 16 will not be used for payload an
8. Unit Status LEDs Status MAJ MIN DIAGNOSTICS Item Interface Loopbacks DTE Network Payload Line Local Self Test Checks Unit Circuitry and Memory on power up Alarms Relay dry contact Lamp Test Press Exit and Enter key at the same time POWER Power Setting AC Input 90 VAC 0 5 A Max 264 VAC 0 25 A Max DC Input Optional 40 VDC to 75 VDC Power Consumption 40 W Maximum ENVIRONMENTAL Item Temperature Operating Temperature O9C to 50 C Specifications A 3 A Item Temperature Storage Temperature 209C to 609C Relative Humidity O to 95 Noncondensing Altitude 200 ft to 10000 ft 60 1 m to 3 048 km above sea level MTBF 8 years PHYSICAL CONNECTORS Item Dimensions Mounting 19 inch or 23 inch rack mounting or Standalone Dimensions 17 2 in W x 2 8 in H x llin D 43 7 cm W x 7 1 cm H x 27 9 cm D EXTERNAL ALARM CONTACTS DB 9 Alarm Designations Signal 1 Alarm In Input 3 Alarm In Input 4 Major NO Normally Open Output 5 Major Common Common 9 Major NC Normally Closed Output 2 Minor NO Normally Open Output 7 Minor Common Common 6 Minor NC Normally Closed Ouput 8 Not Connected A 4 D13800E Inverse Multiplexer User s Guide July 9 2001 a The External alarms are used to turn on a Bell or Light to indicate that an alarm has occurred on the DL3800E Either the Major Minor or both can
9. Default Automatic CTS Clear To Send This allows you to Assert DeAssert or set to Automatic the CTS leads To change or set the CTS lead status use the UP and DOWN ARROW keys to highlight CTS and use the Space Bar to toggle between Assert DeAssert or Automatic until the desired choice appears Highlight Confirm and press the Enter key to confirm the change In Automatic mode the 3800E places the signal high when the DTE is sending the associated signal lead RTS Default Automatic TM Test Mode This allows you to Assert DeAssert or set to Automatic the TM leads To change or set the TM lead status use the UP and DOWN ARROW keys to highlight TM and use the Space Bar to toggle between Assert DeAssert or Automatic until the desired choice appears Highlight Confirm and press Enter to confirm the change In Automatic mode the 3800E places the signal high when the DCE s signal leads for enabling tests are placed high by the DTE Default Automatic DTE Loss Detection Sets the criteria by which a DTE Loss Of Signal will be detected In X 21 mode RTS refers to the X 21 signal called Control To change or set the DTE LOS criteria use the UP and DOWN ARROW keys to highlight DTE LOSS DETECTION and use the Space Bar to toggle between the choices RTS DTR and None When the desired choice is shown highlight Confirm and press Enter to confirm the change In x 21 mode RTS refers to the x 21 signal cal
10. RESTORE NOW restore time from Now to 5 15 30 secs and 1 5 and 15 Suppress Yalow DET Yelow DET INVERSE MUX Return to Config Item Network Front Panel Interface 5 27 5 NET N Config The NET N CONFIG MENU allows you to change various configurable items common to all E1 network ports The menu is shown below NET N CONFIGURATION MENU Up and down arrow buttons change ALARM MASK between Alarm Mask and Alarm Report ENTERI Up and down arrow buttons change A selections between Install Test ALWAYS USE Never Use Use Man Restore and ExT Use Auto Restore Return to Config Menu item Network Configuration For each item on this menu pressing Enter causes the configurable item to start flashing Pressing the up arrow and DOWN ARROW buttons changes the value of the flashing item Pressing Enter again terminates the configuration of that item Pressing Exit aborts the operation without making the change Fach of the Configurable items are described in detail in Network Configuration on page 4 25 of this User Manual NETWORK THRESHOLDS This Menu allows you to enable disable the automatic FALLBACK feature and set the various Network Alarm Thresholds that will cause the E1 lines to automatically be taken out of service Three levels of thresholds can be turned On or Off and values set through this menu CON CONSECUTIVE 15 minute and 24 hour Thresholds can be set for
11. DTE Clock Rates B 10 Appendix C Factory Default Settings C 1 Glossary G 1 xi xii Index I 1 DL3800E Inverse Multiplexer User s Guide July 9 2001 List of Figures Figure 1 1 DL3800E Inverse Multiplexer front panel 1 1 Figure 2 1 DL3800E Inverse Multiplexer 2 1 Figure 2 2 Typical Application for DL3800E 2 3 Figure 2 3 DL3800E Functional Schematic 2 6 Figure 3 1 DL3800E Rear Panel 3 2 Figure 4 1 INVERSE MULTIPLEXER MAIN MENU 4 3 Figure 4 2 ALARMS AND STATUS MENU 4 5 Figure 4 3 STATISTICS MENU 4 11 Figure 4 4 NET STATISTICS MENU 4 12 Figure 4 5 Additional NET STATISTICS 4 13 Figure 4 6 EVENT HISTORY MENU 4 16 Figure 4 7 CONFIGURATION MENU 4 17 Figure 4 8 UNIT CONFIGURATION MENU 4 18 Figure 4 9 DTE CONFIGURATION MENU V 35 4 21 Figure 4 10 DTE CONFIGURATION MENU RS449 4 21 Figure 4 11 DTE CONFIGURATION MENU X 21 4 22 xiii Figure 4 12 DTE CONFIGURATION MENU HSSI 4 22 Figure 4 13 Network Configuration Screen 4 26 Figure 4 14 Network Thresholds Configuration 4 29 Figure 4 15 SYSTEM UTILITIES MENU 4 30 Figure 4 16 SOFTWARE DOWNLOAD MENU 4 31 Figure 4 17 SOFTWARE UTILITIES MENU 4 36 Figure 4 18 LOGIN CONFIGURATION MENU 4 37 Figure 4 19 SNMP CONFIGURATION MENU 4 39 Figure 4 20 TESTS MENU 4 43 Figure 4 21 Loopbacks within the DL3800E unit 4 45 Figure 4 22 MANUAL NETWORK RESTORATION MENU 4 47 Figure 5 1 DL3800E
12. ENVIRONMENTAL A 3 Equipment Return And Repair 6 1 Event History 4 15 Exit Button 5 2 EXTERNAL ALARM CONTACTS A 4 External Clock Connector Pin Assignments B 7 EXTERNAL CLOCK INTERFACE A 1 External Clock Pinouts B 7 F Factory Default Settings C 1 FRONT PANEL A 3 Front Panel Interface Chapter 5 5 1 Front Panel LEDs 5 3 Functional Description 2 4 G General 5 1 General Menu Flow 4 2 grounding DC power 3 4 H HSSI DTE Connector Pin Assignments B 1 l In Band SNMP to Remote 4 42 installation DC power 3 4 Inverse Multiplexer Main Menu Commands 4 4 L Line Loopback 4 44 5 16 Local Loopback 4 44 5 16 LOCAL Loopback Test 6 2 Log In Log Off 4 1 Login Configuration 4 37 Logout 4 47 M Manual Network Restoration 4 46 l 1 i N NET 1 8 Statistics 5 9 NET 1 8 Status 5 9 NET N Config 5 28 NET STATISTICS MENU Information Display 5 9 NET Ststistics Items 4 13 5 10 NET THRESHOLD Options and Values 5 29 Network Config 5 26 Network Configuration 4 25 Network Configuration Menu 4 26 Network Pin Assignments B 6 Network Settings C 2 Network Tests 1 8 5 15 Network Threshold Settings C 2 Network Thresholds 4 28 5 28 NMS PORT SNMP A 2 Node Common Equipment Status 5 8 Node Configuration 5 19 Node Configuration Options 4 18 Oo Organization xvii Overhead Function 2 6 P Payload Loopback 4 44 5 15 Payload Loopback and Line Loopback Tests 6 3 PHYSICAL CONNECTORS A 4 pin assignment co
13. ES An Errored Second ES is a one second period with one or more errored blocks such as one or more CRC4 errors or an Out Of Frame OOF This display provides the number of ESs that have occurred in the accumulation period ESs are not accumulated during UAS SES Severely Errored Seconds SES is a one second period which contains 30 or more errored blocks or at least one severely disturbed period SDP An SDP is present if either a LOS AIAS or LOF occurs Since there are 1000 blocks per second an SES is a one second period which contains either a combination of 300 or more CRCA errors an OOF or at least one of the following LOS AIS or LOF This requirement is a slight change from the prior DL3800E unit SES definition which required 320 or more CRCA errors or LOS AIS or LOF SESs are not accumulated during UAS BBE A Background Block Error BBE is an errored block not occurring as part of an SES A BBE is calculated and displayed as a raw count of non SES EBs The count is updated at the end of every measurement second excepting any second that is an SES The updated count is discarded for all UAS 4 14 DL3800E Inverse Multiplexer User s Guide July 9 2001 aN Il Table 4 3 NET Statistics Items Continued Parameter Definition UAS Unavailable Seconds This display provides the number of UAS that have occurred in the accumulation period At the onset of 10 consecutive SES events a period
14. Frame Ground 5 6 7 8 10 12 1314 15 Not Connected DB 25 rO DE 9 ADAPTER PINOUTS B An adapter is available from Quick Eagle Networks that will allow the Quick Eagle Networks DE 9 ribbon cable to be compatible with a DB 25 connector on the terminal port Table B 8 DB 25 to DE 9 Pinouts DB 25 DE 9 2 3 3 2 4 7 5 8 6 6 7 5 8 1 23 9 21 DL3800E Inverse Multiplexer User s Guide July 9 2001 X 21 TO DB 25 CABLE PINOUTS Table B 9 DB 25 to DB 15 Pinouts X 21 Signal Name DB 25 3 Control A 4 10 Control B 19 4 Rx DAta A 3 1 Rx Data B 16 Send Data A 2 Send Data B 14 Indication A 8 12 Indication B 10 6 Serial Clock Rx A 17 13 Serial Clock Rx B 9 47 Serial Clock External A 24 14 Serial Clock External B 11 8 Signal Ground 7 Needs to be wired in when using X 21 with SCTE EXTERNAL CLOCK CONNECTOR PIN ASSIGNMENTS A DE 9 connector is provided on the DL3800E unit rear panel for connection to an External Clock Pin Assignments for the External Clock connector are as Listed in Table B 14 Table B 10 External Clock Pinouts PIN SIGNAL 1 Signal A 2 Signal B 5 Shield 3 4 6 7 8 9 No Connection Pinouts B 7 B 8 Per RS 422 requirements the receiver has an input sensitivity of 200 mV over the input voltage range of 7 V The frequency is 2 048 MHz 50 ppm and the impedance is
15. Qe running the tests However if the tests reveal a problem with a carrier s service or with the DL3800E you should inform the carrier that the DTE equipment or the DL3800E unit must be removed from service To initiate a loopback test in the DTE AND NETWORK TESTS MENU select TESTS from the INVERSE MULTIPLEXER MAIN MENU and press Enter to open the menu Select a test on a specific network port set to ON select CONFIRM and press Enter To terminate or cancel the test select it set to OFF select CONFIRM and press Enter The example in Figure 6 1 shows the TEST MENU 6 fa jor 01 01 90 17 56 47Unit 1 NET 2 33 Loss of Frame Idled 01 01 90 17 56 58Unit 1 NET 2 13 Loss of Frame Idled DIGITAL LINK DL3800E SR 1 XX NODE 1 HOME 01 01 90 03 14 54 MN SELECTED DEVICE ADDRESS 1 00 000NAME HOME DTE AND NETWORK TESTS Exit Confirm DTE TESTS DTE NETWORK LOOPBACK Off NETWORK TESTS PORT PAYLOAD LOOPBACK LINE LOOPBACK LOCAL LOOPBACK T Off Off Off 2 Off Off Off 3 Off Off Off 4 Off Off Off 5 Off Off Off 6 Off Off Off 7 Off Off Off 8 Off Off Off m Figure 6 1 TESTS MENU Qe NOTE The following 3 tests interrupt payload traffic to the unit DTE Network Loopback Test Use the DTE NETWORK Loopback test to verify the data port and associated cabling This bi directional loopback loops the received data port signal back to the data port and the received E1 processor signal bac
16. Quick Eagle Networks shall not be liable for failure to perform its obligations if such results directly or indirectly from or is contributed to by any act of God or of buyer riot fire explosion accident flood sabotage epidemics delays in transportation lack of or inability to obtain raw materials components labor fuel or supplies governmental laws regulations or orders or labor trouble strike or lockout whether or not such labor event is within the reasonable control of Quick Eagle Networks other circumstances beyond Quick Eagle Networks reasonable control whether similar or dissimilar to any of the foregoing DISCLAIMER Quick Eagle Networks makes no representation of warranties with respect to the contents of this document and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose Further Quick Eagle Networks reserves the right to revise this publication and to make changes in it from time to time without obligation to notify any person or organization of such revision or changes Front Matter iii RIGHTS TO SOFTWARE Quick Eagle Network QEN software products are proprietary to QEN and shall remain the property of QEN Other than the limited non exclusive and non transferable license granted to END USER to use the products internally on a single CPU for the purposes set forth herein no rights in or to any QEN software products or documentation are granted
17. SG Signal Ground A signal from DTE to DSU CSU simplex current One way transmission used by Telco to provide power to repeaters SLIP Serial Line IP A TCP IP protocol that allows IP packets to be transmitted over a serial link such as a dial up or private telephone line SMDS Switched Multimegabit Data Service A fast packet technology based on the connection less data networking capability described in the IEEE 802 6 specification The data format for SMDS is cell oriented SMDS does not support voice SNMP Simple Network Management Protocol A widely used network monitoring and control protocol Data is passed from SNMP agents hardware and or software processes reporting activity in each network device hub router bridge etc to the workstation console used to oversee the network The agents return information contained in a MIB Management Information Base which is a structure that defines what is obtainable from the device and what can be controlled stop bit The last transmitted element in each character which permits the receiver to come to an idle condition before accepting another character subnet mask The number of bits in an IP address used for the subnet address synchronous transmission Data communications in which characters or bits are sent at a fixed rate and the transmitting and receiving devices are synchronized T T1 A digital carrier facility used to transmit a DS 1 formatted digital signal a
18. WRITE COMMUNITY STRING Public TRAP COMMUNITY STRING Public SNMP BAUD RATE 9600 DL3800E Inverse Multiplexer User s Guide July 9 2001 e Il Table C 5 SNMP Configuration Settings SNMP Configuration Setting BITS amp PARITY 8 bits No parity STOP BITS 2 Table C 6 Test Settings Tests Setting ALL LOOPBACKS amp TESTS Off Factory Default Settings C 3 C 4 DL3800E Inverse Multiplexer User s Guide July 9 2001 G Glossary D ll gt z A designation for 22 gauge 110 ohm plastic insulated twisted pair Western Electric cable normally used in central offices AIS Alarm Indication Signal An unframed sequence of All Ones normally sent by a DSU CSU that cannot maintain the required pulse density in AMI mode or sent by a CSU that has a loss of signal condition on its data port The signal is sent to maintain continuity of transmission and to notify the far end that a transmission fault exists on the line Same as Blue Alarm alternate loop code Used to invert loop codes from U S standard code inverts zeros to ones and ones to zeros AMI Alternate Mark Inversion A line code in which the signal carrying the binary value alternates between positive and negative polarities ANSI American National Standards Institute Coordinates the development of U S voluntary national standards in both the private and public sectors Standards pertain to programming languages EDI telecommunica
19. nor does it indicate the software revision of the downloaded image Querying the Remote Unit is performed by first logging into the remote unit from the Main Menu then navigating to this menu RAM Software Options Activate RAM Software This feature activates downloaded software by copying the code from RAM to FLASH and then rebooting the unit If a valid that is Image ID and CRC are valid software image does not exist in RAM the command fails and a reboot will not occur An extended loss of power causes the non activated software download to be lost Modifying this setting in the Remote Unit is performed by first logging into the remote unit from the Main Menu then navigating to this menu DL3800E Inverse Multiplexer User s Guide July 9 2001 4 TFTP Software Download If immediate software activation is enabled on the target unit the software is downloaded to the target unit and is activated by copying the code from RAM to FLASH and then rebooting A TFTP Software Download server is built into the DL3800E This feature allows you to do an TFTP transfer using the SLIP NMS port to the unit RAM You issue the Put command to the unit to initiate the transfer If you specify the remote unit IP address the local unit forwards the TFTP packets to the remote unit Once the transfer is complete activation is based on the setting of the Immediate Software Activation feature with the following results If Imm
20. the frame is considered bad and the CRC statistic is incremental Performance checking is done by both the carrier and the customer without causing any interference with the T 1 traffic CSU Channel Service Unit The CPE used to terminate a digital circuit at the customer site The CSU performs certain line conditioning functions ensures network compliance to FCC rules and responds to loopback commands It ensures proper ones density in the bit stream and performs bipolar violation correction The DSU and CSU are often in the same unit CTS Clear to Send A signal issued by the DSU to indicate it is connected to the digital network and is ready to accept data CV Code Violation Any code violation D4 Framing format for T1 transmission that places 12 T1 frames into a superframe In ESF a newer framing format frames consist of 24 bits instead of the previous standard 12 bits as in D4 format DACS Digital Access Cross Connect Switch A digital switching device for routing and switching T1 lines and DS 0 portions of lines among multiple T1 ports DACS performs all the functions of a normal switch except that connections are typically set up in advance of a call not together with a call as in most normal low bandwidth communications systems e g voice band voice and data A DACS is in essence a manual T 1 switch G 4 DL3800E Inverse Multiplexer User s Guide July 9 2001 c Any serial data communication transmission p
21. xmt and receive rcv for the individual E1 network ports To change the present Secondary Clock Source use the UP and DOWN ARROW keys to highlight either Xmt or Rcv on the Secondary Clock Source line and use the Space Bar to toggle between the choices For Xmt transmit the choices are Network NET External EXT and Internal INT For Rev the choices are Net 1 through Net 8 each of the individual E1 network ports or Auto the unit selects the best source until the desired choice appears Default Xmt Int Rev Net2 DSU Mode This allows youyou to set the DL3800E unit up as a DSU with one DTE and one Network port To change the present DSU Mode level use the UP and DOWN ARROW keys to highlight the DSU Mode item and use the Space Bar to toggle between the following selections until the desired choice appears Inverse MUX standard operation or Single E1 DSU Highlight Confirm and press the Enter key to confirm the change Default Inverse Mux Terminal Interface 4 27 4 Parameter Table 4 7 NETWORK CONFIGURATION MENU Options Continued Description Action Suppress Yellow Detect This item allows you to configure the unit to ignore or report RAI alarm conditions To change the present Suppress Yellow Detect use the UP and DOWN ARROW keys to highlight the item and use the Space Bar to toggle between Enabled and Disabled until the desired choice appears Highlight Confirm and press the En
22. 2 Kbps Terminal emulation standard CCITT standard 1976 for various loopback tests that can be incorporated into modems for testing the telephone circuit and isolating transmission problems Operating modes include local and remote digital loopback and local and remote analog loopback A CCTIT standard for loop test devices in modems It defines local and remote loopbacks DL3800E Inverse Multiplexer User s Guide July 9 2001 I A Alarm Level 4 16 Alarms and Status 4 5 Application 2 3 Audience xvii AWG tray cable 3 3 B Button Overview 5 1 c cable installing DC power 3 4 cable ties 3 4 COMM and NMS Port Pin Assignments B 1 COMM PORT A 2 Configuration 4 17 Configuration Menu 5 17 CONFIGURATION MENU Items 5 18 Conventions xviii D DB 25 to DE 9 Adapter Pinouts B 6 DB 25 to DE 9 Pinouts B 6 B 7 DC power 3 3 DC Power Connections B 10 defaults front panel message 3 4 Delete RAM Code and Revert to ROM Code 4 36 DIAGNOSTIC A 3 Display Menu 5 7 Display Overview 5 1 Download Destination Local Unit Remove Unit Both Units 4 33 DTE CLOCK RATES B 10 DTE Clock Rates B 10 DTE Configuration 4 20 DTE Configuration Menu 5 24 DTE Configuration Menu Options 4 23 DTE CONNECTORS B 1 DTE INTERFACE A 2 DTE Settings C 1 DTE Status 5 9 DTE Tests 5 13 DTE NET Loopback 5 14 DTE Network Loopback 4 44 DTE Network Loopback Test 6 2 Index E E1 NETWORK INTERFACE A 1 E1 Port Mismatch Detection 2 5 Enter Button 5 2
23. 200 and 38 400 Default 9600 Terminal Parity amp Bits This feature selects the terminal parity and Bits To set or change the local terminal parity and Bits move the highlight bar to Terminal Parity amp Bits and press the Space Bar to toggle between the options 7 8 None Odd and Even Default 8 None Terminal Stop Bits This feature selects the terminal stop bit requirement To set or change the requirement move the highlight bar to Terminal Stop Bits and press the Space Bar to toggle between the options 1 1 5 or 2 Default 2 Terminal XOn XOff This allows you to enable or disable the XOn XOff Flow Control feature With the Flow Control feature On the terminal can request that the unit quit sending data when its buffers are full To set or change this feature move the highlight bar to Terminal XOn XOff and use the Space Bar to select choice Default On Terminal Interface 4 19 4 Option Table 4 5 Node Configuration Options Action Terminal Multidrop Mode If the terminal is connected to more than one DL3800E it must be in Multidrop Mode If it is connected to only one unit this feature can be disabled When it is disabled the system starts up directly without you having to log in To change this configuration move the highlight bar to Terminal Multidrop Mode and use the Space Bar to toggle between the options Enabled and Disabled Default Enabled 4 20 To u
24. 35 T DIGITAL LINK DL3800E SR 3 00 22 NODE 1 08 27 00 00 52 37 MJ SELECTED DEVICE ADDRESS DTE CONFIGURATION Exit DTE INTERFACE DTE TOGGLE INTERVAL V 35 RS 449 X 21 OPTIONS 1 00 000 Confirm RS 449 None NAME HSSI OPTIONS CA MODE DTE LOSS DETECTION dec CLOCK SCTE Tx Clock NORMAL RLSD MODE AUTOMATIC DSR MODE AUTOMATIC CTS MODE AUTOMATIC TM MODE AUTOMATIC DTE LOSS DETECTION RTS Rx Clock NORMAL Figure 4 10 DTE CONFIGURATION MENU RSA449 Terminal Interface 4 21 Il M vrertaL LINK DL3800E SR 3 00 22 NODE 1 09 20 00 03 56 36 Wr SELECTED DEVICE ADDRESS 1 00 000 NAME You must confirm to save changes DTE CONFIGURATION Exit Confirm DTE INTERFACE X 21 DTE TOGGLE INTERVAL 2 sec V 35 RS 449 X 21 OPTIONS CLOCK SCTE Tx Clock INVERTED Rx Clock NORMAL RLSD MODE AUTOMATIC DSR MODE CTS MODE TM MODE DTE LOSS DETECTION NONE HSSI OPTIONS CA MODE DTE LOSS DETECTION J Figure 4 11 DTE CONFIGURATION MENU X 21 mm LINK DL3800E SR 3 00 22 NODE 1 08 27 00 00 53 38 MAJOR li SELECTED DEVICE ADDRESS 1 00 000 NAME DTE CONFIGURATION Exit Confirm DTE INTERFACE HSSI DTE TOGGLE INTERVAL 2 sec V 35 RS 449 X 21 OPTIONS CLOCK Tx Clock Rx Clock RLSD MODE DSR MODE CTS MODE TM MODE DTE LOSS DETECTION HSSI OPTIONS CA MODE AUTOMATIC DTE LOSS DETECTION TA W Figure 4 12 DTE CONFIGURATION MENU HSSI
25. 9600 TERMINAL BITS AND PARITY 8 bits No parity TERMINAL STOP BITS 2 bits 7 Figure 4 8 UNIT CONFIGURATION MENU Table 4 5 Node Configuration Options Option Action Date Move the highlight bar to Date and enter a valid date with the format MM DD YY and press the Enter key MM 1 12 month DD 1 31 date YY 0 99 year Time Move the highlight bar to Time and enter a valid time with the format hh mm ss and press the Enter key HH 0 23 hours MM 0 59 minutes SS 0 59 seconds Alarm Enable This option allows you to ENABLE or DISABLE the DL3800E unit External Alarms Highlight ALARM ENABLE and using the space bar toggle between ENABLED and DISABLED until the desired choice appears Automatic Backup This feature allows you to backup the database to the EEPROM automatically at certain intervals or manually To change the present backup mode highlight Automatic Backup and use the Space Bar to toggle between the following choices after every database change 15 seconds 30 seconds 1 minute five minutes after each change or Off must change manually with Save Configuration 4 18 DL3800E Inverse Multiplexer User s Guide July 9 2001 aN IIl Option Table 4 5 Node Configuration Options Action Front Panel This feature enables On or disables Off your ability to make changes in the configuration or run tests from the front panel display and buttons To change the Front Panel feature
26. Confirm DOWNLOAD PROTOCOL None DOWNLOAD DESTINATION Remote Unit DOWNLOAD OPTIONS LOCAL END IMMEDIATE SOFTWARE ACTIVATION Enabled RAM SOFTWARE OPTIONS None P Figure 4 16 SOFWARE DOWNLOAD MENU NOTE DL3800E units with different software versions may not support all features available in the more recent version It is recommended that local and remote units have identical software versions installed If possible both local and remote units should always be upgraded when installing newer software versions The following equipment is required to download new software A PC with a disk drive capable of reading an MS DOS binary file is required Quick Eagle Networks provides a 3 5 inch floppy formatted for 1 4 Mb for downloading software Aterminal emulation program such as Procomm Mirror or Xtalk with VT100 or ANSI emulation that supports one or all of the following Motorola S Records with ASCII Transfer Binary Image with Xmodem Binary Image with Kermit Make the proper RS 232 connection between the PC and the DL3800E A DE 9 connector is pinned out on the DL3800E unit such that the use of a null modem is not necessary DE 9 to DB 25 adapters may be needed depending upon the PC used Terminal Interface 4 31 4 32 NOTE The following steps are recommended before initiating the download process Disable all control lead dependencies RTS CTS DCD etc Disable XON XOFF flow control
27. E1 port LED s on the DL3800E unit never illuminate Make sure the E1 cable from your service provider is connected to the DL3800E Make sure that the E1 port is set to configuration other than NEVER USE Remove the E1 cable from the affected E1 port and hardloop the interface by connecting pins 1 3 and 9 11 of the DB 15 port If the E1 LED lights up check your E1 cabling and contact your service provider The NETWORK E1 LEDs on the DL3800E unit are constantly red Check each E1 port configuration to make sure the framing and line code are what the carrier is providing Check each DL3800E unit for excessive errors Check the E1 cabling or inside wiring for possible problems Verify with the service provider that the local Smart Jack is not looped up Perform the hardloop procedure on the affected E1 port to verify that the E1 port is functioning on the unit The NETWORK E1 LEDs are constantly yellow Make sure no tests are being initiated on the affected E1ports Individual E1 port tests cause the E1 LED to turn yellow IF a test is running end it by selecting the test and setting it to Off in the DTE and NETWORK TESTS MENU Verify that the DTE device the E1 carrier or the remote unit is not sending loopup and loopdown codes check the Alarm amp Status Menu The NETWORK E1 LEDs are flashing yellow Check the CURRENT ALARMS AND STATUS ITEMS MENU to see if the unit is receiving an E1 yellow alarm o
28. Front Panel 5 1 Figure 6 1 TESTS MENU 6 2 Figure B 1 DC Power Connections B 10 xiv List of Tables Table 4 1 Main Menu 4 4 Table 4 2 3800E Alarm Descriptions 4 5 Table 4 3 NET Statistics Items 4 13 Table 4 4 Alarm Level 4 16 Table 4 5 Node Configuration Options 4 18 Table 4 6 DTE Configuration Menu Options 4 23 Table 4 7 Network Configuration Menu Options 4 26 Table 4 8 Login Configuration Options 4 38 Table 4 9 SNMP Configuration Options 4 40 Table 5 1 Front Panel LEDs 5 3 Table 5 2 Net Statistics Menu Information Display 5 9 Table 5 3 Net Statistics Items 5 10 Table 5 4 Configuration Menu Items 5 18 Table 5 5 Node Configuration Menu Items 5 21 Table 5 6 Net Threshold Options and Values 5 29 Table 6 1 Troubleshooting 6 4 Xv xvi Table B 1 COMM and NMS Port Pin Assignments B 1 Table B 2 HSSI DCE Connector Pin Assignments B 1 Table B 3 V 35 M 34 to DB 25 DTE Cable Pin Assignments B 2 Table B 4 EIA 530 DB 25 to DB 25 DCE Conn Pin Assignmts B 3 Table B 5 DB 25 to DC 37 Data Port Cable Pin Assignments B 4 Table B 6 RS 449 DC 37 to DB 25 DCE Cable Pin Assignments B 5 Table B 7 Network Pin Assignments B 6 Table B 8 DB 25 to DE 9 Pinouts B 6 Table B 9 DB 25 to DB 15 Pinouts B 7 Table B 10 External Clock Pinouts B 7 Table B 11 Alarm Pinout B 9 Table B 12 DTE Clock Rates B 10 Table C 1 Unit Settings C 1 Table C 2 DTE Sett
29. Multiplexer User s Guide July 9 2001 aN IIl Software Download Options Immediate Software Activation Enable Disable The IMMEDIATE SOFTWARE ACTIVATION mode is controlled from the SYSTEMS UTILITIES SOFTWARE DOWNLOAD MENU When the IMMEDIATE SOFTWARE ACTIVATION feature is enabled the software download using MSR Xmodem Kermit TFTP is immediately activated that is copied from RAM to FLASH and rebooted For consistency with the previous software version IMMEDIATE enabled is the default setting If the IMMEDIATE SOFTWARE ACTIVATION feature is disabled the software download using MSR Xmodem Kermit TFTP is not activated that is not copied from RAM to FLASH and not rebooted You must activate the software at a later time by issuing a software download activation command from the System Utilities Download Software RAM SOFTWARE OPTIONS selection field When the software activation command is executed the system copies the software image from RAM to Flash and reboots A system restart power cycle that occurs after the download but before the activation will not activate the new software Loss of power causes the non activated software download to be lost Download Destination Local Unit Remove Unit Both Units This feature provides software to be loaded to either the local unit the remote unit or both Use of the Remote or Both option requires use of the Xmodem or Kermit protocol A file image loaded
30. Restoration in the CONFIGURATION MENU and press Enter 4 46 DL3800E Inverse Multiplexer User s Guide July 9 2001 aN Il Fier 01 01 90 04 58 17 Unit 0 NET 2 114 UN Network 15 Minute UAS Major Threshold Exceeded Major 01 01 90 04 58 17 Unit 0 NET 1 114 Network 15 Minute UAS Major Threshold Exceeded DIGITAL LINK DL3800E SR 2 00 00 NODE 7 01 01 90 05 55 07 MJ SELECTED DEVICE ADDRESS 7 00 000 NAME You must confirm to save changes MANUAL NETWORK RESTORATION Exit Confirm PORTS RESTORE No Change No Change No Change No Change No Change No Change No Change Change E Figure 4 22 MANUAL NETWORK RESTORATION MENU ff YN Ui 50 NH z O To manually restore an E1 port network use the UP and DOWN ARROW keys to highlight the line item of the corresponding network port number Toggle from No Change to Restore using the Space Bar Select Confirm and press the Enter key to save the changes Logout This allows you to manually log off the unit instead of waiting for the provisioned automatic logoff time for the unit to log off automatically Highlighting Locout and pressing Enter logs you off the system Terminal Interface 4 47 Il M 4 48 DL3800E Inverse Multiplexer User s Guide July 9 2001 Front Panel Interface GENERAL The front panel Figure 5 1 features a 16 character vacuum fluorescent display and four buttons that help you to move through the various menus to con
31. and maintenance F failed signal state Occurs when ten consecutive severely errored seconds are detected far end The unit or units remote from you FE Framing Errors Occurs when the end of a frame is not detected where it should be FDL Facility Data Link A four Kbps data channel provided by 12 of the 24 ESF framing bits It is used by the carrier to request reports clear error counters and activate loop backs FG Frame Ground A signal from DTE to DSU CSU fractional bandwidth DTE loopback A loopback test that loops back the signal at the network interface See also loopback Fractional T1 A service that provides less than full T1 capacity one or more 64 Kbps channels are provided frame A group of bits sent serially over a communications channel The basic data transmission unit employed with bit oriented protocols Glossary G7 G frame relay A high speed packet switching protocol used for wide area networks WANs faster than traditional X 25 networks because it was designed for today s reliable circuits and performs less rigorous error detection Frame relay networks use bandwidth only when there is traffic to send Frame relay does not support voice framing A technique which separates incoming bits into identifiable groups to enable the receiving device to recognize and reconstruct them frame ground A metallic layer acting as a shield consisting of tape braid wire or sheath and surroun
32. highlight bar to NETWORK CONFIGURATION in the CONFIGURATION MENU and press Return The NETWORK CONFIGURATION MENU will be slightly different depending on which version DL3800E unit is being used Figure 4 13 shows the NETWORK CONFIGURATION MENU Table 4 7 describes the various parameters included Terminal Interface 4 25 4 faex 01 01 90 04 58 17 Unit 0 NET 2 114 UN Network 15 Minute UAS Major Threshold Exceeded Major 01 01 90 04 58 17 Unit 0 NET 1 114 Network 15 Minute UAS Major Threshold Exceeded DIGITAL LINK DL3800E SR 2 00 00 NODE Mos 01 01 90 05 55 07 MJ SELECTED DEVICE ADDRESS 7 00 000 NAME NETWORK CONFIGURATION Exit Confirm PORT ALARM ACTIVE RESTORE CRC4 TSLOT16 N1 N2 N3 N4 N5 T REPORT Use w auto restoreENABLE DATA a 1 HE na 2 REPORT Use w auto restoreENABLE DATA 1 HH T 1 3 MASK Never Use ENABLE DATA i i i i 4 MASK Never Use ENABLE DATA dt aE 1 lt 5 MASK Never Use ENABLE DATA i i i 1 6 MASK Never UseENABLE DATA 1 i 1 1 y REPORT Use w auto restoreENABLE DATA HS T i X 8 MASK Never Use ENABLE DATA 1 i i 1 Primary Clock Source Xmt Int Rev Net 1 Secondary Clock Source Xmt Net Rcv Net 2 DSU MODE Inverse Mux Standard operation Suppress Yellow Det Disabled Second Error restoral interval Immediate Port 3 amp 4 Port 5 amp 6 Port 7 amp 8 pom Revision a Parameter Figure 4 13 Network Configuration Screen Table 4 7 NETWORK CONFIGURATION MENU Options Description Action
33. item or configuration option The DOWN ARROW button is used to move to the next menu item or configuration option Pressing both the UP ARROW and the DOWN ARROW buttons simultaneously the End Test combination terminates all active tests on the local unit and brings the front panel menu to the TEST MENU showing the test that has just been terminated If no tests are active pressing the End Test combination has no effect Enter Button The ENTER button is used to select a submenu loop or configuration option This button doubles as the right arrow button in a few situations D13800E Inverse Multiplexer User s Guide July 9 2001 O1 ll Front Panel LEDs Table 5 1 Front Panel LEDs Indication Description Test Test In Progress LED Off No tests are in progress Solid Red A test condition exists Data Port LEDs TD Data DTE Activity LED Represents pulses to DTE Green Pulses are being detected Off No pulses are being detected RD Date DTE Activity LED Represents pulses from DTE Green Pulses are being detected Off No Pulses are being detected RTS TA Request to send indicator from DTE or TA HSSI Yellow RTS from DTE is active Off RTS has been removed CTS CA Clear To Send indicator to DTE or CA HSSI Yellow CTS to DTE is active Off CTS has been removed indicating that the DL3800E unit is not sending valid data DTR Data Terminal Rea
34. press Enter Use the arrow keys to highlight the Desired Action field Press the space bar until RESET ENTIRE NODE DATABASE TO FACTORY DEFAULTS appears in the field The change must then be confirmed Move the highlight bar to CONFIRM and press the Enter key Deleting the entire node configuration puts all parameters back to their Factory Default Settings From the SOFTWARE UTILITIES MENU Figure 4 17 on page 4 36 you may also perform the following functions e Delete RAM code and Revert to ROM code Restart Node Software Major 01 01 90 04 58 17 Unit 0 NET 2 114 HE Network 15 Minute UAS Major Threshold Exceeded Major 01 01 90 04 58 17 Unit 0 NET 1 114 5 Network 15 Minute UAS Major Threshold Exceeded DIGITAL LINK DL3800E SR 2 00 00 NODE 7 01 01 90 05 55 07 MJ SELECTED DEVICE ADDRESS 7 00 000 NAME DELETE ENTIRE UNIT CONFIGURATION Exit DESIRED ACTION DO YOU REALLY WANT TO DO THIS PLEASE CONFIRM None Confirm E 4 36 Figure 4 17 SOFTWARE UTILITIES MENU Delete RAM Code and Revert to ROM Code To delete RAM code and revert to ROM code select DELETE ENTIRE UNIT CONFIGURATION from the SOFTWARE UTILITIES MENU and press Enter Use the arrow keys to highlight the Desired Action field Press the space bar until DELETE RAM CODE AND REVERT TO ROM CODE appears in the field The change must then be confirmed Move the highlight bar to CONFIRM and press Enter Restart Node Software Restart Node Soft
35. report of all History Events move the highlight bar to CLEAR HISTORY and press Enter Figure 4 6 is an example Major 01 01 90 Idled Minor 17 56 47 Loss of Frame 01 01 90 17 56 58 Loss of Frame Idled DIGITAL LINK DL3800E 03 14 54 MN SELECTED DEVICE ADDRESS EVENT HISTORY Idled Yellow Major Yellow Status Yellow Idled Yellow Exit Repeat 01 01 9009 02 10 Signal Detected 01 01 9009 02 06 Alarm 01 01 9008 58 09 Signal Detected 01 01 9008 58 01 Signal Detected 01 01 9008 56 24 ROM Checksum Failed Unit 1NET Unit 1NET SR 2 00 000 NODE 7 00 000NAME HOME Unit 1NET Idled Unit 1NET Unit 1NET Unit 2NET Idled Unit 1Node 7 HOME 2 Clear History 29 30 29 29 36 2 33 2 13 01 01 90 Page 1 Figure 4 6 EVENT HISTORY MENU 4 16 DL3800E Inverse Multiplexer User s Guide July 9 2001 4 Configuration The CONFIGURATION MENU item provides access to a series of submenus to configure various parameters of the unit DTE and network Highlight configuration in the INVERSE MULTIPLEXER MAIN MENU and press Enter to access the CONFIGURATION MENU See Figure 4 7 ffeiox 01 01 90 04 58 17 Unit 0 NET 2 114 UN Network 15 Minute UAS Major Threshold Exceeded Major 01 01 90 04 58 17 Unit 0 NET 1 114 Network 15 Minute UAS Major Threshold Exceeded DIGITAL LINK DL3800E SR 2 00 00 NODE 7 01 01 90
36. statistics It also processes E1 alarms and performance monitoring information as well as supporting unit configuration test and maintenance activities Finally the Controller block supports the front panel display terminal port and SNMP port interfaces The front panel consists of a 16 character vacuum fluorescent display 4 key keypad and LEDs This panel can be used to provision the unit run diagnostic tests or access performance statistics The serial ports are RS 232C compatible ports with one port supporting a menu driven ASCII terminal interface and the other port providing access to the built in SNMP agent functionality The DL3800E unit can be ordered with DC or AC power supplies and the built in power supply has a range of 110 to 240 VAC and 40 to 75 VDC DL3800E Inverse Multiplexer User s Guide July 9 2001 Installation INSTALLATION NOTE Before beginning the installation process inspect the DL3800E OQ unit for damage which may have occurred during shipment If damage has occurred notify Quick Eagle Networks and your package carrier immediately 1 Unpack and inspect the DL3800E unit for damage that might have occurred during shipment If necessary wipe off the exterior with a soft cloth Save all packing slips and papers that come with the unit Save the shipping cartons and packing materials until installation is complete and proper operation is verified 2 Verify that all items ordered are in
37. the number of E1 signals to be used for transmission The DL3800E unit will provide a smooth clock to the DTE at the data rate required for the number of E1 outputs you have configured For E1 this rate will be Nx1 976 Mbps where N is the number 1 to 8 of E1s to be used The transmit smooth clock PLL can use any of the incoming E1 clocks an external clock or internal clock as reference The receive smooth clock will use one of the receive clocks at its source The smooth clock VCO will be divided down to 8 KHz to be phase compared to the 8 kHz reference The receive buffers are large enough to accommodate variations between E1 receive clocks The DL3800E unit supports one DTE interface For data rates up to 6 Mbps the DTE interface can be HSSI or V 35 RS449 X 21 software selectable For data rates over 6 Mbps only the HSSI interface will be supported Data is sent from the DTE interface to an Inverse Multiplexer IMUX transmit framer A 16 bit proprietary framing pattern is defined to satisfy the requirements of inverse multiplexing communications This frame is constructed by using one payload bit in each frame for 16 consecutive frames For E1 the inverse multiplexing frame is the first bit after the framing bit From the inverse mux framer the data is sent to all E1 framers where the E1 framing is added and then to the appropriate E1 network interface and out over the E1 network All incoming configured E1 lines with their
38. to END USER END USER is prohibited from duplicating reproducing displaying printing disassembling decompiling reverse engineering or analyzing for reverse engineering distributing sublicensing disclosing or otherwise transferring possession of or making available copies of QEN software products or documentation or any part or portion thereof END USER is also prohibited from making any modifications additions adaptations enhancements improvements changes or derivative works of any QEN software product or documentation or any part or portion thereof QEN software products may include software including source code of Connexant Systems Inc and NetScout The limitations on the license and prohibitions set forth above shall apply equally to all such third party software included in any QEN software products ISO COMPLIANCE Products Manufactured Under An ISO 9001 Certified Quality Management System YEAR 2000 COMPLIANCE Quick Eagle Networks warrants that products offered as generally available for sale and shipped on or after February 1 1999 will meet Year 2000 compliant requirements In addition software released in and after 1998 meets the Year 2000 compliance criteria For more information on Year 2000 compliance see our web site information at www quickeagle com and click on the Year 2000 compliance icon iv DL3800E Inverse Multiplexer User s Guide July 9 2001 Malfunction of the equipment In the e
39. to the same number as the local unit you will not be able to access the remote unit To access the Unit Number press Enter when Unit Number appears in the display To enter or change the Unit Number follow the same steps as in entering the Unit ID The following entry should be added REM Access ON OFF This enables or disables the capability that allows users to view and access the local configuration settings from the remote unit Date amp Time The Date amp Time are factory set to PST The format in the display looks like June O7 1998 09 44 49 To change the Date amp Time follow the procedure described under Node Configuration Node Comm Port These communications port parameters can be set through this display Baud Rate Parity Data Bits Stop Bits Flow Control Multidrop Mode Baud Rate The BAUD RATE MENU is accessed through the NODE COMM PORT MENU When the menu is first displayed it will show the present Baud Rate 38 400 19 200 9600 4800 2400 1200 600 or 300 Parity The PARITY MENU is accessed through the NODE COMM PORT MENU When the menu is first displayed it will show the present Parity either No Odd or Even Data Bits The DATA BITS MENU is accessed through the NODE COMM PORT MENU When the menu is first displayed it will show the present Data Bits configuration either 7 or 8 Stop Bits The STOP BITS MENU is accessed through the NODE COMM PORT MENU Whe
40. up to a 31 millisecond differential delay between individual E1 circuits ensuring reliable operation in multiple carrier networks A unique feature of the DL3800E unit is the automatic bandwidth response to an E1 signal loss or network errors If an E1 link falls below acceptable performance levels the DL3800E unit removes the link from service and reduces the DTE data rate to correspond with the remaining E1 links in service When the alarm condition has been cleared the DL3800E unit restores the E1 link and increases the DTE data rate to its original level A typical application is shown in Figure 2 2 Workstation Up PUE L 1 s Workstation HSSI 9 V 35 X 21 Router HSSI V 35 X 2 1S DL3800E E1 DL3800E E1 Inverse Multiplexer Inverse Multiplexer Router Workstation Workstation Figure 2 2 Typical Application for DL3800E Introduction 2 3 FUNCTIONAL DESCRIPTION The base DL3800E unit configuration consists of a motherboard with two E1 network interface connectors and the DTE connectors HSSI and V 35 RS449 X 21 Six additional E1 network ports can be added with the addition of from one to three daughterboards each daughterboard supporting two additional E1 ports The general operation of the DL3800E unit is explained in the following paragraphs which describe the signal flow and overhead functions Signal Flow 24 The DL3800E unit is configured by you for
41. 0 or equivalent X 21 DB 25 X 21 155 00907 DL1314 10 and 155 00907 12 DL1314 50 Model ID1314 10 and 50 or equivalent 1 Setup Terminal Log On Connect your terminal to the COMM port on the back of the DL3800E unit Before you can log into the unit you must make sure that terminal settings match the DL3800E Defaults for the DL3800E unit COMM port 9600 baud no parity 8 bit word length 2 stop bits To log into the unit first press Ctr1 x five times that is hold down the control key on the keyboard and press the x key five times This gives you the unit number Now type Ctrl x Unit Number and press Return or Enter When prompted for user name and password press Return twice and the Main Menu on the DL3800E unit should appear The default unit number is 0 Terminal Configuration Change only the configuration items listed below Leave the other options at the factory default settings To make a change note that you must press the UP and DOWN ARROW keys to highlight the item press the space bar until the desired option displays then highlight CONFIRM and press Enter before exiting the menu Unit Configuration Select Configuration from the Main Menu Select Unit Configuration Set the time and date Set unit number other than zero Select Confirm then select EXIT to go back to the CONFIGURATION MENU DTE Configuration A WARNING V 35 RS449 X 21 will only work at a higher data rate with a DTE that c
42. 001 aN Il Option Table 4 9 SNMP Configuration Options Continued Description Action SNMP Baud Rate This feature selects the SNMP port s baud rate To set or change the SNMP port baud rate move the highlight bar to SNMP Baud Rate and press the Space Bar fo toggle between the options until the desired speed appears The options are 300 600 1200 2400 4800 9600 19 200 and 38 400 Default 9600 If the SNMP Baud rate is changed it is necessary to change the baud rate at the connection to the SNMP manager before continuing The same is true for modifying the parity and or number of stop bits SNMP Bits amp Parity This feature selects the SNMP port s parity To set or change the SNMP Parity move the highlight bar to SNMP Bits amp Parity and press the Space Bar to toggle between the options until the desired parity appears The options are None Odd and Even Bits is always set at 8 Default None SNMP Stop Bits This feature selects the SNMP manager stop bit requirement Move the highlight bar to SNMP Stop Bits and press the Space Bar to toggle between the options 1 1 5 or 2 Default 2 To update the SNMP database with all the changes made move the highlight bar to CONFIRM and press the Enter key Changes can be confirmed after each change or after all changes have been made IP Bridging to a Remote Unit The IMUX unit now supports bridging of selected IP packets to the remote I
43. 00E Inverse Multiplexer User s Guide July 9 2001 Factory Default Settings Table C 1 Unit Settings Unit Setting ALARM ENABLE Disabled AUTOMATIC BACKUP 5 minutes after each database change FRONT PANEL On UNIT NUMBER 0 TERMINAL BAUD RATE 9600 TERMINAL PARITY amp BITS 8 bits No parity TERMINAL STOP BITS 2 XON XOFF Enabled MULTIDROP Enabled Table C 2 DTE Settings DTE Setting DTE INTERFACE V 35 CLOCK SCTE TX CLOCK Normal RX DLOCK Normal RLSD MODE Automatic DSR MODE Automatic CTS MODE Automatic TM MODE Automatic DTE LOSS DETECTION RTS C1 C2 Table C 3 Network Settings Network Setting ALARM Mask ACTIVE RESTORE MODE Never Use FRAME CRCA LINECODE HDB3 TSLOT 16 DATA NATIONAL BIT 1 5 PRIMARY CLOCK SOURCE Xmt Int Rev Net 1 SECONDARY CLOCK SOURCE Xmt Int Rev Net 2 DSU MODE Inverse Mux Standard Operation SUPPRESS YELLOW DET Disabled Table C 4 Network Threshold Settings Network Threshold Setting CONSECUTIVE THRESHOLDS Fallback Disabled Seconds 10 INTERVAL THRESHOLDS 15 MIN Fallback Disabled Seconds Major 100 Minor 100 INTERVAL THRESHOLDS 24 HR Fallback Disabled Seconds Major 10 Minor 10 Table C 5 SNMP Configuration Settings SNMP Configuration Setting ALL ADDRESSES 0 000 000 000 READ COMMUNITY STRING Public
44. 05 55 07 MJ SELECTED DEVICE ADDRESS 7 00 000 NAME CONFIGURATION MENU Exit Unit DTE Network Network Thresholds MORE configuration F Figure 4 7 CONFIGURATION MENU To access any of the configuration submenus highlight the desired item and press the Enter key The following are samples and descriptions of the submenus that can be accessed from the CONFIGURATION MENU Unit Configuration Highlighting UNIT and pressing the Enter key accesses the UNIT CONFIGURATION MENU shown in Figure 4 8 The configurable items and options are described in Table 4 5 The following parameters can be set or changed for the Node DATE TIME ALARM ENABLE AUTOMATIC BACKUP FRONT PANEL PERMIT SELECT DEVICE ACCESS FROM REMOTE UNIT NUMBER UNIT NAME and LOCAL TERMINAL BAUD RATE BITS PARITY STOP BITS X ON X OFF and MULTIDROP MODE HARDWARE SOFTWARE and MIB REVISIONS are view only items and cannot be changed Terminal Interface 4 17 Il M oxarTAL LINK DL3800E SR 3 00 22 NODE ds 08 27 00 00 54 47 MAJORON SELECTED DEVICE ADDRESS 1 00 000 NAME UNIT CONFIGURATION Exit Confirm DATE 08 27 00 TIME 00 54 38 ALARM ENABLE Disabled AUTOMATIC BACKUP 5 minutes after a database change FRONT PANEL On PERMIT SELECT DEVICE ACCESS FROM REMOTE No UNIT NUMBER UNIT NAME SOFT SERIAL 1389031127991 HARDWARE REVISION H SOFTWARE REVISION 3 00 22 DOWNLOADED MIB REVISION 1 10 January 10 2000 TERMINAL BAUD RATE
45. 0E e g port 1 on the local unit is connected to port 2 on the remote unit This situation will cause DTE traffic to be incorrectly multiplexed and as a result severely errored When a crossover is detected the DL 3800E removes the crossed port from the DTE data bundle and reduces the DTE data rate The LED will change to flashing green and the port status in the Alarms amp Status menu read Line crossed and also Crossed to port x where x is the port number connected at the remote end It also generates an SNMP alarm enCrossoverAlarm When the crossover is cleared the port is restored to DTE bundle and the LED restores to green Port crossover status clears and the SNMP alarm enCrossoverAlarm is idled An IMUX F1 circuit is reestablished as soon as the mismatched circuits are disconnected and reconnected properly Figure 2 3 is a functional schematic of the DL3800E unit showing a unit supporting four E1 lines Introduction 2 5 E1 TX Int E1 TX Int IMUX Framer E1 TX Int E1 TX Int E1 Framer amp RX Int E1 Framer amp RX Int El Framer amp RX Int El Framer amp RX Int 2 6 Figure 2 3 DL3800E Unit Functional Schematic Overhead Functions The overhead functions consist of a controller front panel two RS232 communication interfaces terminal and network management and a power supply The controller function is performed by a microprocessor on the main board The controller collects E1
46. 1 EEC 89 336 EEC 93 68 EEC and 91 263 EEC UL 1950 3rd Edition CAN CSA C22 2 No 950 95 Comision Federal de Telecommunicationes Mexico CISPR 22 Level B EN 55022 DL3800E Inverse Multiplexer User s Guide July 9 2001 Table of Contents Preface xvii Audience xvii Organization xvii Conventions xviii Symbols xviii Typography xix Quick Eagle Networks Technical Support xx Returning a Unit Xx Send Us Your Comments xxi Document Change Record xxi Chapter 1 Quick Install Guide 1 1 Purpose 141 Configuration 1 1 Equipment Needed 1 1 Setup 12 Terminal Log On 1 2 Terminal Configuration 1 2 Unit Configuration 1 2 DTE Configuration 12 Network Configuration 13 Save Configuration 1 3 Chapter 2 Introduction 2 1 System Overview 2 1 Product Features 2 2 System Features 2 System Benefits 2 3 vii viii Application 2 3 Functional Description 2 4 Signal Flow 2 4 E1 Port Crossover Detection 2 5 Overhead Functions 2 6 Chapter 3 Installation 3 1 Installation 3 1 Mounting F2 Rack Mounting 3 2 Desk Operation And Stacking 3 2 Power Cables And Connections 3 3 AC Power Connection 3 3 DC Power Connection 3 3 E1 Network Connection 3 5 DTE Cable And Connection 3 5 ASCII Terminal and SNMP Connection 3 5 Direct Connection 3 6 Modem Connection 3 6 Telnet Connec
47. 10 kQ DL3800E Inverse Multiplexer User s Guide July 9 2001 ss Il ALARM PINOUT Pin Assignments for the Alarm connector are as follows Table B 11 Alarm Pinout PIN SIGNAL Maj Comm Maj NC Maj NO not connected Alarm in Min Comm Min NO Min NC Alarm in O hM NI ol wo 0 c Maj 7 Major Min Minor NC Normally Closed unless alarm condition is true this pin is connected to the appropriate comm pin NO Normally Open only during an alarm condition will this be connected to the appropriate comm pin Alarmin input for an alarm to the device The above table shows the signal names and pin connections These outputs of Major alarms normally open and normally closed Minor alarms normally open normally closed and Alarm in amp are done through relays and an optoisolators respectively They are designed for 48v although a lower voltage should work equally well Pinouts B 9 b DC POWER CONNECTIONS 5 AMP 250V FUSE n sls Figure B 1 DC Power Connections DTE CLOCK RATES Table B 12 DTE Clock Rates NETWORKS DTE CLOCK RATE MBPS TSLOT16 DATA 1 976 3 952 5 928 7 904 9 880 11 856 13 832 CO NI GH Ww N 15 808 TSLOT FLAG 1 912 3 824 5 736 7 648 9 560 11 472 13 384 CO NIO GM KR Ww N 15 296 B 10 DL38
48. 13 Unit 2 NET 1 61145 Network 15 Minute URS Major Threshold Exceeded NODE 2 IMIPOLEX a8 i 29 MJ MN 06 086 NAME IMIPOLEX NET STATISTICS PORT 1 Exit Repeat HERR Page 1 CURRENT SECONDS amp PAST INTERVALS ERROR FREE SECONDS 100 08 ESR 8 88 SESA 6 68 BBER 8 88 BPW EB FE ES SES BBE UAS CURRENT a a 8 CUMULRTIUE 1 a a 8 CUMULRTIUE 2 a 8 M Figure 4 4 NET STATISTICS MENU This screen displays the selected port s E1 performance statistics for the current 15 minute interval and for the past 48 hour interval The performance statistics for the first 24 hours are in both accumulative form and in 15 minute intervals The statistics for the second 24 hours are only in accumulative form It also allows you to clear the display and reset the counters For the DL3800E unit the E1 statistics displayed are BPV EB FE ES SES BBE UAS EFS ESR SESR and BBER To view additional pages with this set of performance data press the Cursor DOWN ARROW or to view the previous page press the Cursor UP ARROW Additional NET STATISTICS are presented in subsequent screens To view additional screens with this same set of performance data press the tab key or the Cursor right and left arrow keys until the next field is highlighted then press Enter Continue to press Enter with the NEXT field highlighted to view all the screens This screen contains NET STATISTICS snapshots at 15 minute intervals
49. 5 6250 E mail techpubs quickeagle com All suggestions and comments are appreciated DOCUMENT CHANGE RECORD Date Issue Rev Description Pages Affected May 1996 A Initial Release All January 1999 B Update amp Misc All Changes January 2000 C Update amp Misc All Changes September 2000 D Update amp Misc All Changes October 2000 E Update amp Misc All Changes June 2001 F Update amp Misc All Changes I Preface xxi DL3800E Inverse Multiplexer User s Guide July 9 2001 1 PURPOSE Quick Install Guide This chapter is a quick reference for the setup and configuration of the DL3800E Inverse Multiplexer see Figure 1 1 Please note that not all configuration items will be discussed because this chapter only serves to get you up and running Figure 1 1 DL3800E Inverse Multiplexer front panel CONFIGURATION Equipment Needed Terminal or PC with DE 9 port that will emulate an ANSI VT100 DL3800E E1 Inverse Multiplexer product various ports The DL3000E comes either with BNC or 120 ohm DE 9 cable plug socket 154 00050 01 Model DL1081 or equivalent DA 15 plug to RJ 48 plug for E1 connections 155 00011 01 Model DL1033 or equivalent HSSI or 155 10082 01 HSSI Model DL1404 10 or equivalent M 34 to DB 25 cables v 35 or 155 00903 01 v 35 Model DL1300 10 or equivalent DC 37 to DB 25 RS 449 155 00902 01 RS449 Model DL1302 1
50. DL3800E Inverse Multiplexer User s Guide Part 098 30380 01 Rev F July 9 2001 COPYRIGHT AND TRADEMARKS Copyright 2001 Quick Eagle Networks World copyright reserved No part of this publication may be stored in a retrieval system transmitted or reproduced in any way including but not limited to photocopy photograph magnetic chemical or other record without the prior agreement and written permission of Quick Eagle Networks PRODUCT LIMITED WARRANTY Quick Eagle Networks warrants to buyer that any unit shipped to buyer under normal and proper use will be free of defects in material and workmanship for a period of twenty four 24 months from the date of shipment to buyer This limited warranty is void if there is any unauthorized modification or repair of a unit by anyone other than Quick Eagle Networks or its authorized agent THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXCEPT AS OTHERWISE PROVIDED HEREIN QUICK EAGLE NETWORKS DISCLAIMS ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Some jurisdictions may not allow the exclusion of implied warranties so some of the above exclusion may not apply to you For further information about warranty and service on your Quick Eagle Networks product visit our Web site at www quickeagle com REMEDIES AND LIMITATIONS OF LIABILITY All claims fo
51. E 12 37 SG Signal Ground 13 38 5 ancillary to DCE From DTE 14 18 39 43 B Table B 2 HSSI DCE Connector Pin Assignments Continued PIN PIN SIGNAL DIRECTION SIDE SIDE SG Signal Ground 5 19 44 ancillary from DCE 5 ancillary from DCE To DTE 20 24 33 49 SG Signal Ground 25 50 CHANNEL 1 DATA CABLE PIN ASSIGNMENTS The pin assignments for the V 35 M 34 to DB 25 DTE cable are listed in Table B 3 Table B 3 V 35 M 34 to DB 25 DTE Cable Pin Assignments M 34 DB 25 Signal Name Signal T 16 RD B To DTE R 3 RDA To DTE S 14 SD B From DTE P SD A From DTE E 6 DSR To DTE H 20 DTR From DTE K 25 TM DTE B 7 Signal Ground NA D CTS To DTE F RLSD To DTE V 17 SCR A To DTE X 9 SCR B To DTE Y 15 SCT A To DTE AA 12 SCT B To DTE U 24 SCTE A From DTE W 11 SCTE B From DTE C 4 RTS From DTE A NC Frame Ground NA B 2 DL3800E Inverse Multiplexer User s Guide July 9 2001 ss II Table B A EIA 530 DB 25 to DB 25 DCE Connector Pin Assignments DB 25 DB 25 SIGNAL 17 24 SCTE 35 1 7 4 RTS 25 19 24 16 RD 6 3 22 14 TD 4 2 1 6 DSR 18 25 27 13 CTS 8 5 13 8 RLSD 3 10 26 9 SCR 8 17 5 15 SCT 23 12 19 7 SG NC NC 1 NC FG Pinouts B 3 B DB 25 to DC 37 Data Port Cable Pin Assignments The pin assignments for the DB 25 to DC 37 Data Port cable are listed in
52. E clock IF it does not set the clocking to SCT Make sure that the Transmit or Receive clock is inverted Make sure the DTE device does not need to see RLSD RECEIVE LINE SIGNAL DETECTED during this loopback If it does set RLSD in the DTE CONFIGURATION MENU to ASSERT this lead The DL3800E unit has timing and synchronization problems Make sure the timing source is set properly IF the clock source is provided by the circuit provider set XMT PRIMARY CLOCK SOURCE to Net and RCV to the E1 network providing the clocking If the clocking is expected from a specific E1 circuit but the circuit is not in service set RCV PRIMARY CLOCK SOURCE to AUTO If the clock source is not provided by the circuit provider set XMT PRIMARY CLOCK SOURCE to INT and the remote unit XMT PRIMARY CLOCK SOURCE to NET and RCV to AUTO Make sure the proper E1 cables are plugged into the corresponding ports on the DL3800E Diagnostics 6 7 6 Problem Table 6 1 Troubleshooting 5 of 5 Solution You cannot access the DL3800E unit from a terminal The terminal must be running a VT100 or compatible terminal emulation program Make sure you are using a straight through cable with pin 8 CTS cut at the terminal end Make sure the Comm Port parameters match the terminal s and the DL3800E unit has a unique ID If the DL3800E unit is in a daisy chain you can display a roll call of all unit numbers by pressing Ctro1 x five t
53. ENU is used for DTE and Network loopbacks The DL3800E unit does not allow performing tests on the remote unit through the front panel user interface This feature is only available with the terminal interface DL3800E Inverse Multiplexer User s Guide July 9 2001 I The Configuration MENU is used to view and change the unit s configuration parameters date and time network interface parameters and DTE interface parameters Both the DISPLAY and CONFIGURATION MENUS are also able to access the remote unit Remote monitoring and configuration are only available when there is an EML Embedded Maintenance Link channel to the remote unit When you request status or configuration information from the remote unit the local unit sends a request to the remote unit over ADL and waits for a reply While waiting for the reply the local unit displays the message PLEASE WAIT On the front panel If there is no reply from the remote unit within 10 seconds the display of the local unit will show REMOTE NOT AVAILABLE Otherwise the information reported by the remote unit will be displayed SELECT REMOTE SELECT LOCAL a Pressing the DOWN ARROW cursor button when the default message is in the display brings the message SELECT REMOTE Or R SELECT LOCAL to the display This allows you to log onto either the local or remote DL3800E When logged onto the local unit it displays SELECT REMOTE When logged onto the remote unit the
54. EV and the NODE SW SOFTWARE REV are set at the factory and cannot be changed Front Panel Interface 5 23 5 DTE Configuration Menu This menu allows you to set various configurable items for the DTE port For each item on this menu pressing the Enter button causes the configurable item to start flashing Pressing the up arrow and DOWN ARROW buttons changes the value of the flashing item Pressing Enter again terminates the configuration of that item Pressing Exit aborts the operation without making the change Each of the Configurable items are described in detail in Network Configuration on page 4 25 5 24 DL3800E Inverse Multiplexer User s Guide July 9 2001 DTE CONFIGURATION MENU it Up and down arrow buttons change T betwoen HSS 35 X 21 and RS A4ps Up and down arrow buttons change gt _ DTE TOGGLE NONE between None 0 5 1 0 1 5 and 2 0 Up and down arrow buttons change TD USE SCTE between TD USES SCTE and SCT f Up and down arrow buttons change NORMAL RD CLOCK between NORMAL and INVERTED Up and down arrow buttons change NORMAL TD CLOCK between NORMAL and INVERTED clock Up and down arrow buttons change AUTO RLSD between Auto Assert and Deassert 5 Up and down arrow buttons change 4 gt between Auto Assert and Deassert bred Up and down arrow buttons change ASSERT CTS between Auto Assert and Deasser
55. MENU Information Display Front Panel Display Explanation NET N XXX XXX the performance statistic N the E1 network port 1 8 SEC YYY VALID Z YYY the number of seconds into the current interval Z the number of valid 15 minute intervals since the error counters were reset 0 96 CUR X X the error count within a statistics period TOTL X X the number of errors in the current interval Front Panel Interface 5 9 Il O1 Parameter Pressing the DOWN ARROW from any of these displays will step you through the last 96 15 minute intervals while displaying the number of errors in each of the interval From the Net STATISTICS MENU press Enter When you see Net N CV press Enter again The first display will read SEC 455 VALID 8 showing the number of seconds in the current interval and the number of valid 15 minute intervals since the error counters were last reset Pressing the DOWN ARROW button from this point in the menu will show the number of Code Violations in the current interval CUR 4 Pressing the DOWN ARROW will display the total number of errors since the registers were last reset TOTL 8 Pressing the DOWN ARROW from here will cycle you through the last 96 fifteen minute intervals or however many intervals exist since the counters were last reset displaying the number of Code Violations in each interval starting with the most recent i e 1 0 The NET STATISTICS items are l
56. MUX unit The bridged packets are transported between the remote unit and the local NMS SLIP port using the proprietary Embedded Data Link In order to minimize bandwidth constraints only the following protocols are bridged e SNMP Ping ICMP Echo Request Echo Response a subset of full ICMP e TFTP SNMP Traps from remote The illustration below shows the SNMP Configuration from the SYSTEM UTILITIES MENU The IMUX unit has a configurable Remote IP Address parameter used to identify the remote unit The remote IMUX s Unit IP Address parameter should be set to the same value although this is not strictly necessary Terminal Interface 4 41 Il Ha However it is important to note that the remote IMUX s Unit IP Address parameter must be set to some non zero value in order to respond to the bridged IP packets SNMP trap packets from the remote IMUX unit are modified upon receipt The source IP address field in the trap packet is modified to the Remote IP Address parameter then the packet is forwarded out the NMS SLIP link In Band SNMP to Remote This feature allows you to manage both local and remote units with a single NMS station attached to only one of the two units If the unit receives an SNMP packet from its SLIP port with the IP address of the remote unit the local unit forwards the packet to the remote unit over the Embedded Data Link If the unit receives an SNMP packet that does not match its IP add
57. P CONFIGURATION MENU and Table 4 9 describes the SNMP parameters vrertaL LINK DL3800E SR 3 01 0B NODE 1 123 08 27 00 00 55 51 MJ x SELECTED DEVICE ADDRESS 1 00 000 NAME 123 SNMP CONFIGURATION Exit Confirm NMS SERIAL PORT SLIP UNIT IP ADDRESS 172 019 001 038 UNIT IP SUBNET MASK 255 255 255 000 TRAP IP ADDRESS 0 000 000 000 Port Slip 0 000 000 000 Port Slip 0 000 000 000 Port Slip REMOTE IP ADDRESS 0 000 000 000 SLIP TRAP DELAY Oseconds REMOTE TRAP DELAY 0 seconds READ COMMUNITY STRING public WRITE COMMUNITY STRING public TRAP COMMUNITY STRING public SNMP BAUD RATE 9600 SNMP BITS AND PARITY 8 bits No parity SNMP STOP BITS 2 bits Figure 4 19 SNMP CONFIGURATION MENU Terminal Interface 4 39 Il M Option Table 4 9 SNMP Configuration Options Description Action Unit IP Address The Unit IP Address is a 32 bit quantity which uniquely identifies the node in the IP network This address is used by the SNMP manager to access information from the node To set or change the Unit IP Address move the highlight bar to Unit IP Address and enter a 32 bit quantity Press Enter when finished Unit IP Subnet Mask The Unit IP Subnet Mask is a 32 bit quantity that identifies which bits in the IP address identify the physical network To set or change the Unit Subnet Mask move the highlight bar to Unit Subnet Mask and enter a 32 bit quantity Press Enter when finished Trap IP Addr
58. PTION VALUE 24 HR MI ES 10 24 HR MJ ES 10 24 HR MJ ES OFF 24 HR MI SES 10 24 HR MJ SES 10 24 HR MJ SES OFF 24 HR MI UAS 10 24 HR MJ UAS 10 24 HR MJ UAS OFF To turn a Major Alarm ON or OFF use the UP and DOWN ARROW buttons to get the specific alarm in the display window and press Enter Using the arrow buttons select ON or OFF To change an alarm threshold value use the UP and DOWN ARROW buttons to get to that particular alarm and press Enter Use the Up or Down buttons to raise or lower the value DL3800E Inverse Multiplexer User s Guide July 9 2001 Diagnostics EQUIPMENT RETURN AND REPAIR If faulty equipment is suspected perform the tests in this section If after performing these tests the DL3800E unit or any associated module is suspected to be faulty call Quick Eagle Technical Support at 408 745 4200 RUNNING DIAGNOSTIC TESTS You should test the DL3800E unit before you use it If it or an associated module does not operate properly during or after testing call Quick Eagle Networks Technical Support at 408 745 4200 This chapter contains procedures for testing the DL3800E unit followed by suggestions for troubleshooting problems You use the DTE AND NETWORK TESTS MENU to initiate and terminate one DTE test and three network tests The four tests are DTE NETWORK Loopback e Payload Loopback LINE Loopback LOCAL Loopback NOTE You do not need to inform the telephone company that you re
59. S in the statistics history for the past 24 hours then SESR is set at 0 BBER Background Block Error Ratio BBER is the ratio of errored blocks to total blocks during a fixed measurement interval excluding all blocks during SES and unavailable time The fixed interval is equal to the last 24 hours before the current 15 minute interval Terminal Interface 4 13 4 Parameter Table 4 3 NET Statistics Items Continued Definition BPV This display provides the number of Bipolar Violations BPVs that have occurred during the accumulation period A total of 15430 BPVs in a 10 second sliding window approximately 10 3 will create a Major Alarm and 916 BPVs in a 600 second sliding window approximately 10 6 will create a Minor Alarm FE A Frame Error FE is declared when two out of four consecutive framing bits are in error Typically an FE indication will be accompanied by a significant number of payload data bit errors This display provides the number of FEs that have occurred in the accumulation period EB CV An Errored Block EB is a block in which one or more bits are in error The EB if therefore equivalent to the Code Violation CV count calculated and displayed in the previous versions of the DL3800E unit This count allows you to monitor the rate of EB faults on a line that is unavailable EBs are counted in the unavailable state ES SES and BBE are not counted in the unavailable state
60. able 4 2 3800E Alarm Descriptions ALARM DESCRIPTION AIS DET Alarm Indication Signal Detected Net Port detects an unframed continuous stream of binary ones AIS Alarm Indication Signal Not used YEL Det Yellow Alarm RAI Remote Alarm Indication Detected Net Port detects the presence of an RAI YEL Yellow Alarm RAI Net Port transmits a Yellow Alarm RAI when receiving an AIS LOS or LOF Failed Signal Not used Xmt Failed Not used User Line Lpbk User Line Loopback Net Port in a Line Loopback Enabled by you under the Tests menu User Payload Lpbk User Payload Loopback Net Port in a Payload Loopback Enabled by you under the Tests menu HW Line Lpbk Not used HW Payload Lpbk Not used Remote Lpbk A loopback is occurring on the net lines or on the remote unit Active Net Port is Active This indicates that the Net Port is part of the bundle passing data to and from the DTE port Not Active Net Port is Inactive This indicates that the Net Port has been removed from the bundle and is no longer passing data to and from the Data Port Excessive Delay The Net Port has exceeded the 31ms relative delay Set Code Detected The Net Port has detected a Loop code sent from the Network Reset Code Detected Net Port has detected a Loop down code sent from the Network CRC Threshold Net Port has exceeded the CRC Thre
61. able disable the automatic FALLBACK feature and set the various Network Alarm Thresholds that will cause the E1 lines to automatically be taken out of service Figure 4 14 is an example of the NETWORK ALARM THRESHOLDS configuration screen 4 28 DL3800E Inverse Multiplexer User s Guide July 9 2001 aN IIl ffeier 01 01 90 04 58 17 Unit 0 NET 2 114 Network 15 Minute UAS Major Threshold Exceeded Network CONSECUTIVE M Major 01 01 90 04 58 17 Unit 0 NET 1 114 DIGITAL LINK DL3800E SR 2 00 00 NODE 7 01 01 90 05 55 07 MJ SELECTED DEVICE ADDRESS 7 00 000 NAME NETWORK ALARM THRESHOLDS Exit Confirm CRC SecondsDisabled10 SES Disabled 10 UAS Disabled 10 INTERVAL THRESHOLDS 15 MINUTES 24 HOURS FALLBACK MAJOR MINOR FALLBACK MAJOR MINOR BPV Err Sec 10E 3 Disabled 100 100 Disabled 10 10 CRC Seconds Disabled 100 100 Disabled 10 10 ES Disabled 100 100 Disabled 10 10 SES Disabled 100 100 Disabled 10 10 UAS Disabled 100 100 Disabled 10 10 15 Minute UAS Major Threshold Exceeded THRESHOLDS FALLBACK SECONDS A Figure 4 14 Network Thresholds Configuration Through the CONSECUTIVE THRESHOLDS section of this menu you disable or enable the fallback condition relating to the number of consecutive seconds from 1 to 100 in which a CRC SES or UAS alarm threshold is exceeded To Enable or Disable the FALLBACK feature highlight the appropriate item and use the space bar to select your choice To c
62. alarms that alert you to the existence of possible problems with the unit and received signals from the DTE or network LEDs on the Module provide a quick indication of the status of that module green light indicates everything is functioning normally Table 6 1 Troubleshooting 1 of 5 Problem Solution DL3800E unit doesn t If the DL3800E unit is AC powered make sure it is plugged into a live AC power up outlet If it is DC powered make sure the respective DC leads are not crossed Check all fuses for opens replace as needed If the DL3800E unit blows fuses continuously call Quick Eagle Networks Technical Support You cannot communicate Make sure both units are in Inverse Mux mode not Single E1 DSU with the remote DL3800E Verify that the local and remote units have unique ID s If a DTE device is not connected at either end set DTE LOSS to None Make sure your E1 port LED s are solid green indicating that the circuits are up and running The TEST LED on the Make sure no tests are being initiated and check the TEST display from a DL3800E unit is constantly terminal on IF a test is running end it by selecting the test and set it to Off in the DTE and NETWORK TESTS MENU Make sure the DTE device or the E1 carrier is not sending loop up and loop down codes 6 4 DL3800E Inverse Multiplex User s Guide July 9 2001 e Il Problem Table 6 1 Troubleshooting 2 of 5 Solution The NETWORK
63. an give terminal clocking when in SCTE mode Configure the DTE interface for either v 35 RS449 x 21 or HSSI For V 35 RS449 X 21 configuration set the clock to SCTE and Normal TD RD clock Set the DTE loss condition for NONE Select Confirm then select EXIT to go back to the CONFIGURATION MENU DL3800E Inverse Multiplexer User s Guide July 9 2001 1 Network Configuration Set up a port for each E1 line you plan to use Set Alarm to Report Set ACTICVE RESTORE MODE to Use w auto restore Normally is CRC4 enable Primary clock Xmt Network assuming carrier or remote unit providing timing Primary clock RCV should be set to AUTO Configure SER to Immediate Confirm and select EXIT Select Exit again to the Main Menu Save Configuration Select SAVE CONFIGURATION from the Main Menu You re done If you have any questions please feel free to call Quick Eagle Network s Technical Support at 408 745 4200 Quick Install Guide 1 3 DL3800E Inverse Multiplexer User s Guide July 9 2001 Introduction SYSTEM OVERVIEW The DL3800E Inverse Multiplexer bridges the gap between E1 and E3 data services by providing E1 multiplexing of multimegabit up to Nx1 976 Mbps DTE data onto two to eight E1 circuits The DL3800E Inverse Multiplexer is an economical solution to bandwidth intensive applications as it provides multimegabit data transport without the need for E3 circuits The DL3800E unit is an ideal solution f
64. and DTE System Utilities Allows you to perform various system utility functions such as download software configure SNMP configure login and delete or save configuration Tests Allows you to initiate diagnostic loopbacks Manual Network Restoration Allows you to manually restore a E1 circuit instead of it being restored automatically upon the clearing of a problem Logout Allows you to log out of the DL3800E unit without having to wait for automatic logout SELECT LOCAL REMOTE 4 4 When in the INVERSE MULTIPLEXER MAIN MENU this option allows you to view and access the other items on either the local or remote DL3800E The Device Address and Name in the header portion of the display screen will identify the unit that the terminal is presently communicating with To move to the Main Menu of the other DL3800E highlight SELECT LOCAL REMOTE and press Enter The Device Address and Name in the header should change to the new unit as shown in Figure 4 1 on page 4 3 DL3800E Inverse Multiplexer User s Guide July 9 2001 4 ALARMS AND STATUS The ALARMS AND STATUS MENU is a view only screen that allows you to review the current ALARMS AND STATUS items being reported by the DL3800E To access this screen move the highlight bar in the INVERSE MULTIPLEXER MAIN MENU to ALARMS AND STATUS and press Enter The ALARMS AND STATUS display Figure 4 2 will appear on the screen describing the status of the
65. at is when multiple DL3800E units may be daisy chained together for centralized network management you must log in to establish communication with a single unit on the network Only one unit may be accessed at a time All units continuously monitor the line but only the unit which is logged on will respond to terminal commands When no unit is logged on the characters typed on the terminal will not show up on the display screen To log on and log off a particular unit follow these procedures 1 Type five Ctr1 X commands in a row to return a roll call of all Node Numbers on the chain This feature is useful when the Node Numbers of any units on the network are unknown 2 Type Ctr1 X followed by the node number and press Enter or Return These characters will not be displayed on the terminal screen but the units will receive them If passwords are enabled for the unit you will be prompted for the username and password Initially no password or username is needed so simply press Enter when prompted for a username or password 3 The Main Menu will appear If not check that the Node Number matches what is typed on the terminal If it still does not appear check that the DL3800E unit port settings match the terminal settings baud rate parity data bits and stop bits If so a null modem adapter may be required to interchange pins 2 and 3 transmit and receive from the terminal 4 1 4 To log on to anot
66. ath generally between two adjacent nodes or devices and without any intermediate switching nodes data link data link layer In the OSI model the network processing entity that establishes maintains and releases data link connections between adjacent elements in the network DCE Data Circuit Terminating Equipment Equipment that is either a part of the network an access point to the network a network node or equipment at which a network circuit terminates dial up Describing the process of or the equipment or facilities involved in establishing a temporary connection via the switched telephone network digital loopback A technique for testing the digital processing circuitry of a communications device may be initiated locally or remotely via a telecommunications circuit The device being tested returns a received test message the results of which are compared to the original message DS 0 Digital Signal Level 0 A 64kbit s standard digital telecommunications signal or channel DS 1 Digital Signal Level 1 The 1 544Mbit s digital signal carried on a T1 facility DS 3 Digital Signal Level 3 The 44 736Mbit s digital signal carried on a T3 facility DSU CSU Data Service Unit Channel Service Units The pair of communications devices that connect an in house line to an external digital circuit At the customer s end of the telephone connection the DSU CSU takes data from terminals and computers encodes it and transmit
67. be wired to the DB 9 Connector on the back Normally Open Major or Minor The Alarm is off when there is an open on the alarm circuit Will indicate an alarm when the circuit is closed Normally Closed Major or Minor The alarm is off when there is a short on the alarm circuit Will indicate an alarm when the circuit is open Alarm In This alarm can be used to indicate to the DL3800E unit that an external alarm has occurred such as a door opening or closing This would require the customer to use a 48V volt supply to drive the alarm Specifications A 5 A 6 DL3800E Inverse Multiplexer User s Guide July 9 2001 Pinouts TERMINAL CONNECTION Table B 1 COMM and NMS Port Pin Assignments SIGNAL DIRECTION PIN Receive Data To Terminal 2 RD Send Data From Terminal 3 SD Clear to Send To Terminal Connect between units but not to the Terminal 8 CTS Signal Ground Bidirectional 5 SG DCE CONNECTORS Table B 2 HSSI DCE Connector Pin Assignments PIN PIN SIGNAL DIRECTION SIDE SIDE SG Signal Ground 1 26 RT Receive Timing To DTE 2 27 CA DCE Available To DTE 3 28 RD Receive Data To DTE 4 29 Reserved future To DTE 5 30 ST Send Timing To DTE 6 31 SG Signal Ground 7 32 TA DTE Available From DTE 8 33 TT Terminal Timing From DTE 9 34 LA Rollback Circuit A From DTE 10 35 SD Send Data From DTE 1 36 LB Rollback Circuit B From DT
68. ble supplied by Quick Eagle Networks to connect the DL3800E unit to the DTE One DB 25 E1A 530 socket connector is provided on the back of the DL3800E unit to connect the DL3800E to the V 35 RS 449 X 21 compatible DTE Using the appropriate cable and connectors connect the V 35 RS 449 X 21 DTE device to the DL3800E unit ASCII TERMINAL AND SNMP CONNECTION The DL3800E unit is accessed by an ASCII terminal or SNMP Management System workstation through direct daisy chained or dial up modem connection On the rear panel of the DL3800E unit two socket DE 9 receptacles labeled NMS and COMM PORT are provided for connection to the SNMP workstation or ASCII terminal respectively An RS 232 straight cable with DE 9 plug connectors is used to link the DL3800E unit with the terminal modem or workstation Installation 3 5 3 3 6 Direct Connection For direct connection using the appropriate DE 9 cable connect the ASCII terminal or SNMP workstation to the DL3800E unit through the Terminal or SNMP connector on the back of the rear panel The baud rate parity bit and stop bit settings must match those of the terminal baud rate 9600 eight bits no parity and two stop bits Modem Connection When using a modem the baud rate parity bit and stop bit settings of the modem must match the terminal or workstation port default settings baud rate 9600 eight bits no parity and two stop bits If these parameters are not the sam
69. ce in a well ventilated secure area l Figure 3 1 DL3800E Rear Panel NOTE On DC versions of the DL3800E the AC receptacle will be covered with a DC face plate 3 2 DL3800E Inverse Multiplexer User s Guide July 9 2001 3 POWER CABLES AND CONNECTIONS The DL3800E unit can be ordered with an AC or DC power supply AC Power Connection An AC power cord is supplied with the DL3800E AC XXX to provide 120 to 240 VAC power The power cord receptacle is located on the rear panel of the DL3800E AC XXX For AC power connect the AC power cord to the DL3800E AC XXX and plug into the nearest AC outlet DC Power Connection The Quick Eagle Networks DL3800E Inverse Multiplexer can also be powered by a 48 VDC power source The DC power connection on the DL3800E is located on the back panel There are eight screw terminals located on the rear panel The two screw terminals on the far right looking at the rear panel are for DC power Connect the 48 V wire to the screw terminal labeled Attach the 48 V Return wire to the screw terminal to the immediate right labeled Connect earth ground to the ground stud When using DC power you will need the following Atray cable which must be UL recognized 14 AWG 3 conductors copper strand Electrical power and control cable type TC 600 V 90 C Alpha Wire Company No 45443 is an example To mechanically install the DL 3800E when using DC power perform the follow
70. cluded in the shipment The shipment should consist of the following e DL3800E Digital Inverse Multiplexer e DL3800E User s Guide this manual Appropriate data and network interface cables and connectors if ordered Power cord 3 Mount the DL3800E unit See Mounting on page 3 2 4 Connect Power Cables and Connections See Power Cables And Connections on page 3 3 5 Connect network cables to the DL3800E unit See E1 Network Connection on page 3 5 6 Connect the DTE cable to the DL3800E unit See DTE Cable And Connection on page 3 5 7 ASCII Terminal and SNMP Connection See ASCII Terminal and SNMP Connection on page 3 6 3 1 Il Se 8 Configure Unit See Unit Configuration on page 4 17 ASCII terminal a Configure COMM PORT See Unit Configuration on page 4 17 ASCII terminal b Configure NMS Network Management Port See SNMP Configuration on page 4 39 ASCII terminal 9 Configure Network See Network Configuration on page 4 25 ASCII terminal 10 Configure DTE See DTE Configuration on page 4 20 ASCII terminal MOUNTING Rack Mounting The DL3800E unit Figure 3 1 is shipped with mounting ears for a 19 or 23 inch rack that are mounted for use with a 19 inch rack Desk Operation And Stacking Four stick on rubber feet are supplied with each DL3800E unit Remove the covering and stick them onto the DL3800E unit bottom You can now stack units as required on a flat surfa
71. common equipment and each of the E1 ports lines plus the status of the DTE leads and the current rate of the DTE port Major 01 01 90 04 58 17 Unit 0 NET 2 114 UN Network 15 Minute UAS Major Threshold Exceeded Major 01 01 90 04 58 17 Unit 0 NET 1 114 Network 15 Minute UAS Major Threshold Exceeded Digital Link DL3800E SR 2 00 00 NODE 7 01 01 90 05 55 07 MJ SELECTED DEVICE ADDRESS 7 00 000 NAME CURRENT ALARMS AND STATUS ITEMS Exit Repeat Common equipment status No Ext Clk Primary Clk No Net Sync Network ports PORT 1 LOS RED Active OOF MN UAS 15 MIN MJ Relative delay of 0 000 ms PORT 2 LOS RED Active OOF MN UAS 15 MIN MJ Relative delay of 0 000 ms PORT 3 BPV MN OOF MN BPVS 15 MIN MN PORT 4 BPV MN OOF MN BPVS 15 MIN MN PORT 5 LOS RED UAS 15 MIN MJ PORT 6 LOS RED UAS 15 MIN MJ PORT 7 LOS RED UAS 15 MIN MJ PORT 8 LOS RED UAS 15 MIN MJ RS449 X 21 port DSR ON current RS449 X 21 port rate 3 952 Mbits sec E Figure 4 2 ALARMS AND STATUS MENU Following are the Alarm and Status items severity that may appear The Common Equipment alarms and status will appear first followed by the Network and the DTE alarms and status Table 4 2 3800E Alarm Descriptions ALARM DESCRIPTION NETWORK LOS Loss of Signal Net Port does not detect any E1 pulses LOF Loss of Frame Net Port does not detect a valid E1 framing format Terminal Interface 4 5 4 6 T
72. communications arrangement where multiple devices share a common transmission channel though only one may transmit at a time N NEBS A network Equipment Building Systems requirement A standard issued by Bellcore that spells out central office standards for grounding cabling and power network An interconnection of computer systems terminals or data communications facilities NI Network Interface The point of demarcation between the customer premises and the carrier s network usually drawn at the network connector on the rear panel of the Quick Eagle Networks access device NRZ Non Return to Zero A binary encoding and transmission scheme where ones and zeros are represented by opposite and alternating high and low voltages NRZI Non Return to Zero Inverted A binary encoding technique that inverts the signal on a one and leaves the signal unchanged for a zero where a change in voltage state signals a one bit and the absence of a change denotes a zero bit value O OOS Out of Service A digital network trouble signal OOF Out of Frame An error checking scheme An OOF occurs when two out of four consecutive framing bits are in error P parity bit An additional non informational bit appended to a group of bits indicating that the number of ones in the bits group is odd or even parity check A process of error checking using the parity bit G 10 DL3800E Inverse Mu
73. d will be stuffed with the value 7E hex NOTE E1 links are not truly independent This field is selectable on a per E1 link basis When the DL3800E unit treats the set of E1 links as a whole If only one E1 link is selected for FLAG then the DTE bandwidth is reduced to an amount corresponding fo all links having been set for a time slot loss Primary Clock Source This allows you to select either the Primary Clock Source transmit xmt and receive rcv for the individual E1 network ports To change the present Primary Clock Source use the UP and DOWN ARROW keys to highlight either Xmt or Rev on the Primary Clock Source line and use the Space Bar to toggle between the choices For Xmt transmit the choices are Network NET External EXT and Internal INT For Rev receive the choices are Net through Net 8 each of the individual E1 network ports or Auto the unit selects the best source The DL3800E unit can use several sources to generate the transmit clock The Internal selection uses an oscillator within the DL3800E the Network setting recovers the clock from the selected E1 line and the External setting recovers the clock from the dB 9 Ext Clock connector on the rear panel of the unit Typically the clock source on one side of the link is set to Internal and the other is set to Network Default Smt Int Rev Net 1 Secondary Clock Source This allows you to select either the Secondary Clock Source transmit
74. ding insulated conductors in cable It may be the metallic sheath of the cable or the metallic layer inside a nonmetallic sheath It reduces stray electrical fields prevents outside electrical interference drains off current induced by lightning and provides for safety of personnel frequency The number of repetitions per unit time of a complete waveform The number of complete cycles per unit of time usually expressed in Hz full bandwidth DTE loopback A loopback test that loops back the signal at the multiplexer See also loopback HDLC High Level Data Link Control Bit oriented data link control protocol any related control of data links by specified series of bits rather than by control characters IP address A unique 32 bit identifier for a TCP IP host on a network IP addresses are normally printed in dotted decimal form such as L LBO Line Build Out An adjustable value used to tune the attenuation between the DSU CSU card and the last repeater on the T1 circuit LED Light emitting diode A device that accepts electrical signals and converts the energy to a light signal G 8 DL3800E Inverse Multiplexer User s Guide July 9 2001 G LOF Loss of Frame Occurs when a received digital signal loses frame synchronization LOFC Loss of Frame Count A count of declared Loss of Frame events ESF framing only loopback A diagnostic test in which the transmitted signal is returned to the sending device after
75. display will read R SELECT LOCAL To change the DL3800E unit being monitored and controlled press Enter The message in the display blinks Press Enter once again to change from SELECT REMOTE to R SELECT LOCAL or visa versa NOTE When logged onto the remote unit an R will appear as the first two characters in the display For example R NET1 STATISTICS DISPLAY MENU The DISPLAY MENU is used for displaying Node status DTE status and the status of each installed E1 line It is also used to clear the error counters Clearing the error counters can only be done when the DL3800E unit is not in the Protected Mode Front Panel Interface 5 7 DISPLAY MENU Use Arrow NODE STATUS keys to view status Use Arrow keys to view status Use Arrow keys to view status Use Arrow eys to view status Use Arrow keys to view statistics Use Arrow keys to view statistics RETURN TO MAIN MENU DISPLAY ITEM NOTE Only those E1 circuits physically installed from two to eight will have status lines in this menu Node Common Equipment Status This display shows the status of the unit NODE STATUS is accessed from the DISPLAY MENU by pressing Enter when NODE STATUS appears in the display If one of more errors are detected one or more of the following messages will appear Use the UP and DOWN ARROW buttons to view the following messages see Table 5 1 on page 5 9 for a list of those Common Equipmen
76. dy Indicator N A for HSSIJ Yellow DTR from DTE is active Off DTR from DTE is inactive Test Indicates the port is in test mode NOTE The Test LED is off only when the port is not allocated bandwidth It lights red when there is a HW DTE Loopback or DTE NET Loopback in progress It is connected to the TEST lead going from the DL3800E unit to the DTE so both the LED and the lead carry the same data Network LEDs 1 1 through T 8 Red Network is in Red Alarm Green Network is Active and running Flashing Green The network is ready but it is not part of the bundle to the DTE Front Panel Interface 5 3 Indication Table 5 1 Front Panel LEDs Continued Description Flashing Green Network crossover is detected Check Front panel Display Menu Yellow Network is in Loopback Flashing Yellow Receiving yellow AIS alarm Off Network is inactive Unit LEDs Status Maj Min Display the status of the DL3800E and whether the condition is a Major or Minor alarm When a port s Active Restore mode is set to Never Use and its alarm mode is set to Mask then the port LED will be turned off Access Levels And Protected Mode b 5 4 Front panel access can be limited by placing the DL3800E unit in the Protected Mode In this mode you can use the Front Panel User Interface only to monitor the status of the unit and its Error Counters and view its configura
77. e reconfigure the unit default settings using the front panel controls When the parameters of the modem and the terminal or workstation port coincide using the RS 232 straight cable connect the modem to the appropriate RS 232 comm port COMM PORT or NMS on the rear panel of the DL3800E Then connect the modem to the phone line and the ASCII terminal or SNMP workstation DE 9 to DB 25 adapters and null modem adapters are available from Quick Eagle Networks Specify a plug or socket terminal connection when ordering For direct connection the terminal workstation or modem may be placed up to 15 meters away from the comm port when operating at 9600 baud Distances may be increased if the baud rate is reduced Telnet Connection For a telnet connection connect a device that provides a SLIP connection to the NMS port of the DL3800E unit Examples include a terminal server router auxiliary port or the Quick Eagle Networks Management Access Processor MAP Be sure to provide a valid IP address to the DL3800E There can be up to two active telnet sessions at any given time There is no way for a user to delete the telnet session of another user DL3800E Inverse Multiplexer User s Guide July 9 2001 3 Daisy Chaining Multiple DL3800E units can be daisy chained together through the Terminal Port to provide centralized network monitoring and management capabilities A ribbon type cable with DB 9 connectors is available from Qu
78. e Software Download Delete Entire Node Configuration Login Configuration SNMP Configuration and Save Configuration To access the SYSTEM UTILITIES MENU highlight System Utilities in the INVERSE MULTIPLEXER MAIN MENU and press the Enter key Figure 4 15 is an example of the SYSTEM UTILITIES MENU that will appear To access any of the submenus or perform certain functions highlight that line item and press the Enter key aor 01 01 90 04 58 17 Unit 0 NET 2 114 b Network 15 Minute UAS Major Threshold Exceeded Major 01 01 90 04 58 17 Unit 0 NET 1 114 Network 15 Minute UAS Major Threshold Exceeded DIGITAL LINK DL3800E SR 2 00 00 NODE 7 01 01 90 05 55 07 MJ SELECTED DEVICE ADDRESS 7 00 000 NAME SYSTEM UTILITIES MENU Exit SYSTEM UTILITIES MENUExit Software Download DELETE Entire Unit Configuration Login Configuration SNMP Configuration SAVE Configuration E Figure 4 15 SYSTEM UTILITIES MENU 4 30 DL3800E Inverse Multiplexer User s Guide July 9 2001 4 Software Download This selection is used to choose the desired mode for upgrading the DL3800E unit software revision level via download if this option is available Highlight SOFTWARE DOWNLOAD in the SYSTEM UTILITIES MENU and press Enter The SOFTWARE DOWNLOAD MENU Figure 4 16 appears on the screen MR LINK DL3800E SR 3 00 22 NODE 1 08 27 00 00 55 24 MAJOR b SELECTED DEVICE ADDRESS 1 00 000 NAME DOWNLOAD NEW SOFTWARE Exit
79. e connected DTE device does not support the RTS or DTR leads configure the DTE LOSS for None This asserts the CTS lead from the DL3800E Make sure the DL3800E unit is configured for the correct electrical signaling from the DTE device V 35 RS449 HSSI or x 21 The UNIT Major and Minor Alarm LEDs on the DL3800E unit do not clear Alarm thresholds may have been exceeded for the 15 minute or 24 hour periods If other thresholds have not been exceeded the DL3800E unit automatically clears these alarms after the period has passed 6 6 DL3800E Inverse Multiplex User s Guide July 9 2001 e ll Problem Table 6 1 Troubleshooting 4 of 5 Solution The connected DTE device shows intermittent errors Run a DTE NET Loopback to verify the physical connection between the local DTE device and the DL3800E IF errors are reported during this loopback check the DTE cable Make sure the DTE device supports the DTE port clocking option Use SCTE clocking for the DTE device if the application is using V 35 and the DL3800E unit has more than two connected E1 circuits Try inverting DTE Tx clock and or Rx clock when in v 35 RS 449 or x 21 modes Make sure the DTE device can handle the set DTE clocking speed The DTE NETWORK Loopback does not work towards the locally connected DTE device Make sure the DTE device can run to a DCE in loopback IF configured for SCTE the DTE device must be able to support SCT
80. e of received bits that are in error relative to a specific amount of bits received usually expressed as a number referenced to a power of 10 Bits per second the basic unit of measure for serial data transmission capacity Kbits kilobits for thousands of bits per second Mbitps megabits for millions of bits per second and Gbits gigabits for billions of bits per second An unframed sequence of All Ones normally sent by a DSU CSU that cannot maintain the required pulse density in AMI mode or sent by a CSU that has a loss of signal condition on its data port The signal is sent to maintain continuity of transmission and to notify the far end that a transmission fault exists on the line Same as Alarm Indication Signal AIS D13800E Inverse Multiplexer User s Guide July 9 2001 c Services or interfaces that operate above the T1 data rate typically at NxT1 T3 SONET or ATM speeds broadband BPV Bipolar Violation Occurs when the ones bit is not represented with the opposite signal of the previous ones bit C CCITT International Telegraph and Telephone Consultative Committee central office CO The phone company switching facility or center usually a Class 5 end office at which subscribers local loops terminate channel A physical or logical path allowing the transmission of information the path connecting a data source and receiver circuit Generally referring to a transmission medium connecting two o
81. ediate Software Activation is disabled on the target unit the software is downloaded to the RAM of the target unit but is not activated and a reboot does not occur If Immediate Software Activation is enabled on the target unit the software is downloaded to the RAM of the target unit and is activated by copying the code from RAM to FLASH memory and then rebooting The performance of the TFTP data transfer is limited by the speed of the NMS SLIP port which has a maximum 38400 baud rate and the Embedded Data Link if the transfer is going to the remote unit Only the Put TFTP server is functional you cannot do a Get of the software from the unit Ensure that you specify binary mode instead of ascii mode in the TFTP client Delete Entire Unit Configuration revert to factory config A WARNING This command will interrupt service Deleting the unit database causes the unit and any other device s database within that unit to be reset to the factory default setting All device names will be erased and all connections will be removed The time and date however will remain the same and the node number will be set to 0 00 00 As the warning states above if there are any valid connections in the node execution of this command will interrupt service Terminal Interface 4 35 Il aN To delete the entire unit configuration select DELETE ENTIRE UNIT CONFIGURATION from the SOFTWARE UTILITIES MENU and
82. ess The Trap IP Address is a 32 bit quantity that identifies the SNMP manager the address to which the node sends any event messages You can specify up to three different IP addresses To set or change the Trap IP Address move the highlight bar to Trap IP Address and enter a 32 bit quantity Press Enter when finished Read Community String This alphanumeric identifier up to 31 characters in length identifies a portion of the SNMP network that is able to read messages from the node To set or change the Read Community String move the highlight bar to Read Community String and enter an alphanumeric identifier up to 31 characters in length Press Enter when finished Write Community String This alphanumerical identifier up to 31 characters in length identifies a portion of the SNMP network that can write messages to the node To set or change the Write Community String move the highlight bar to Write Community String and enter an alphanumeric identifier up to 31 characters in length Press Enter when finished Trap Community String This alphanumeric identifier up to 31 characters in length identifies a portion of the SNMP network that is able to receive event messages from the node To set or change the Trap Community String move the highlight bar to Trap Community String and enter an alphanumerical identifier Press Enter when finished 4 40 DL3800E Inverse Multiplexer User s Guide July 9 2
83. etween the E1 line reporting errors and the DL3800E The TEST LED on the DL3800E unit turns red during the tests and the E1 port LED turns yellow TROUBLESHOOTING THE DL3800E This section describes problems you may encounter on the DL3800E unit and suggests ways you can troubleshoot them The troubleshooting procedure is designed to isolate the faulty or malfunctioning item to the E1 network the DTE equipment the cable from the DTE to the DL3800E unit or the DL3800E unit itself The built in diagnostic features of the DL3800E unit aid you in quickly identifying and isolating faults Using the front panel buttons and display the ASCII terminal or SNMP workstation you can run a series of loopback tests Verification of the proper functioning of the DTE equipment and the DL3800E unit is Diagnostics 6 3 Il e accomplished through DTE loopback and a self test Testing for the proper functioning of the remote DL3800E unit is accomplished by a Line loopback It is also possible to verify the path from the DTE through the E1 line to the remote end DL3800E provided the DTE equipment can generate and detect looped back bit streams These suggestions can help determine which portion of the network might be at fault When discovering a failure check the simple solutions first Is the power turned on Is the equipment set up and configured properly Will swapping cable pairs solve the problem The DL3800E unit is equipped with
84. figure the unit perform tests and obtain vital performance data The front panel also features six LEDs for the DTE port one for each of the E1 networks three for the DL3800E unit status and one for Network Test Figure 5 1 DL3800E Front Panel DISPLAY OVERVIEW The DL3800E unit has a 16 character fluorescent front panel display The left most character often provides an indication when the displayed message relates to a remote unit A remote unit message is indicated by the character R followed by a comma R When displaying a message relating to the local unit this character position is a blank BUTTON OVERVIEW The DL3800E unit has four front panel buttons The unit generally responds to a button when it is pressed Pressing and holding a button results in a repeating action after one half second EXIT p ENDTEST 4 ENTER 5 1 The front panel buttons are also used for Alarm Cutout When an alarm condition occurs the External Alarm Output contacts close This typically actuates external alarm indicators such as bells or alarm lights Pressing any of the four front panel buttons clears the condition and turns off the external bell or light Exit Button The EXIT button is used to cancel operations or exit to a higher level menu loop from a submenu loop This button doubles as a left arrow button in a few situations UP ARROW and DOWN ARROW Buttons The UP ARROW button is used to move to the previous menu
85. hange the number of errored consecutive seconds that will cause that E1 line to go out of service highlight the appropriate item and press Enter When the highlight bar is blank type in the number of seconds desired NOTE Default settings are shown in Figure 4 14 The INTERVAL THRESHOLDS section of this menu allows you to enable or disable the FALLBACK feature FALLBACK relates to the number of in error seconds from 1 to 900 occurring in a 15 minute period or the number of in error 15 minute intervals from 1 to 96 occurring in a 24 hour period that will cause a MAJOR or MINOR alarm To Enable or Disable the FALLBACK feature highlight the appropriate item and use the space bar to select your choice To change the number of in error seconds or 15 minute intervals that will cause a MAJOR or MINOR network alarm highlight the appropriate item and press Enter When the highlight bar is blank type in the number desired Terminal Interface 4 29 Il M Save Configuration This option allows you to manually back up the database to EEPROM at any time To Save Configuration and back up the database to EEPROM highlight the save Configuration in the CONFIGURATION MENU and press the Enter key System Utilities The SYSTEM UTILITIES MENU in the INVERSE MULTIPLEXER MAIN MENU is used to access submenus in the DL3800E unit to configure various system utilities and perform certain functions with the DL3800E These System Utilities includ
86. her DL3800E unit on the same daisy chain simply type Ctr1 X followed by a and the Node Number and press Enter The previous unit is logged out and the new unit is logged on 5 To log off all units without logging onto any new units press Ctrl X at the Main Menu TERMINAL OPERATION OVERVIEW 4 2 General Menu Flow a The menu interface for the DL3800E unit consists of the Main Menu and a series of submenus From the Main Menu select the submenu to be selected or function to be performed by moving the highlight bar through the menu screen with the Cursor Arrow keys until the desired function is highlighted To prevent any accidental data and or status change every proposed change requires a confirmation response To confirm a proposed change move the highlight bar to Confirm on the menu and press Enter Type any other key and the change will not be made This will cause the terminal to continue to prompt you to confirm the change s To abort the change move the highlight bar to Exit and press the Enter key rather than confirming the change NOTE Pressing the Escape key brings the display back to Select Local Remote when in the Main Menu and back to Exit when in the EXECUTION MENU Screen Description The top four lines of each display screen contain information regarding the last two status or alarm conditions reported by the DL3800E unit This information includes the severity of condition reported the date and
87. highlight Front Panel and use the Space Bar to toggle between Off and On Permit Select Device Access From Remote This feature enables Yes or disables No the capability that allows you to view and access the local configuration settings from the remote unit Unit Number Move the Highlight bar to Unit Number and enter a number between 1 and 9999 Note Each unit must be set to a different number to allow remote communication and daisy chaining of multiple units For example if the remote unit is set to the same number as the local unit you will not be able to access the remote unit Unit Name Move the highlight bar to UNIT NAME and enter alphanumeric name of up to 20 digits Press Enter when finished Soft Serial Number This feature allows you to view the local serial number IF the remote unit is not software compatible with the soft serial number feature the Unit Configuration screen still displays the serial number field but the information is incorrect All the other information on the screen for example node number hardware revision number is still accurate The soft serial number is preserved if you enter a Reset Entire Node Database to Factory Defaults command Terminal Baud Rate This feature selects the terminal baud rate To set or change the baud rate move the highlight bar to Terminal Baud Rate and press the Space Bar to toggle between the options 300 600 1200 2400 4800 9600 19
88. his is crucial in inter node communications The Node name HOME is user defined You can use this field to uniquely describe the node within the network The date and time are give in mm dd yy and hh mm ss format The alarm indicator in this case MN for minor is given on each screen to alert you of a local Node alarm The Selected Device address in this example 7 00 000 is shown at the beginning of the second status line A device is a generic term to indicate a NODE unit Terminal Interface 4 3 4 INVERSE MULTIPLEXER MAIN MENU COMMANDS Menu When a DL3800E unit is first powered up the Main Menu Figure 4 1 on page 4 3 appears on the terminal screen This describes those functions that can be performed parameters viewed changed and or deleted from this menu The INVERSE MULTIPLEXER MAIN MENU items are shown in Table 4 1 these items are described in more detail in the following sections Table 4 1 Main Menu Description Select Local Remote Allows you to move between the Main Menu of the Local and Remote units Alarms and Status Provides current alarm and status report of the common equipment DTE and E1 lines Statistics Allows you to access the STATISTICS MENUS of the various E1 lines Event History Allows user to view and clear alarms and event history of the DL3800E Configuration Allows you access submenus to configure certain parameters of the DL3800E network
89. ick Eagle Networks for daisy chaining your DL3800E units You can order specific cables to daisy chain four units Part No 154 00051 01 eight units Part No 154 00052 01 or twelve units Part No 154 00053 01 To place an order contact the Quick Eagle Networks Sales Department at 408 745 6200 If using a cable other than the above see Terminal Connection on page B 1 for Terminal Port pin assignments With this cable CTS pin 8 must be connected between DL3800E units but must not be connected to the terminal The one socket connector on the ribbon is to be connected to the terminal or modem if a remote site The remaining plug DE 9 connectors are connected to the DL3800E1 unit port Each unit must be assigned a unique node number When units are daisy chained together the local terminal must be operating in Multidrop Mode Each unit should be given a unique Node Number NOTE For detailed instructions on installing SNMP systems refer to the separate installation guides for these products Installation 3 7 3 8 DL3800E Inverse Multiplexer User s Guide July 9 2001 Terminal Interface Loc IN LOG Orr Each DL3800E unit is equipped with an integrated RS 232 ASCII user interface that can be accessed through the COMM PORT DE connector located on the rear panel of the DL3800E Through this interface you can perform various functions described in this section When operating in multidrop mode th
90. imes 6 8 D13800E Inverse Multiplex User s Guide July 9 2001 Specifications EI NETWORK INTERFACE Parameter Setting Interface Type El Number of Ports 2 4 60r 8 Framing Formats CRC4 Enabled or Disabled Line Code HDB3 Transmit Line Rate 2 048 Mbps 50 ppm Receive Line Rate 2 048 Mbps 75 ppm Synchronization Internal Loop timed or External Network Connector DA 15 Socket or BNC connectors EXTERNAL CLOCK INTERFACE Parameter Setting Rate 2 048 MHz 50 ppm Connector Type DE 9 Input Impedance 10 ko Input Voltage 7 V per RS 422 Standard Balance A 1 A DTE INTERFACE Item Interface Electrical Interface HSSI or V 35 RS 449 X 21 Rate Up to 15 808 Mbps Connector Types DB 25 Socket V 35 RS449 X 21 50 pin Socket Amplimite HSSI Number of Ports One COMM PORT Item Interface Interface Devices Terminal or Modem Protocol ASCII VT100 Electrical RS 232 Socket DE 9 NMS Ponr SNMP Item Interface Interface Devices SNMP Manager Protocol SNMP UDP IP over SLIP Electrical RS 232 DE 9 A 2 DL3800E Inverse Multiplexer User s Guide July 9 2001 s Il FRONT PANEL Item Interface Display 16 Character Alphanumeric Key Pad Four Keys DTE Status LEDs TD RD RTS TA CTS CA HSSI TEST T1 T8 TEST Status LEDs TEST
91. ing steps 1 Place the DL3800E unit on a flat surface or in a rack 2 Before you connect the DL3800E unit to the centralized DC power source strip 2 0 inches of jacket material off the tray cable and 0 5 inch of insulation off each wire 3 Connect the 48 VDC wire to the terminal on the rear panel s terminal block using a small flat screw driver 4 inch blade to fasten the wire Installation 3 3 Il Se 4 Connect the ground wire to the terminal in the same way NOTE The unit is designed to operate with negative voltage therefore you must connect the positive terminal to ground 5 Connect the frame ground terminal to the local earth ground if required 6 To minimize disturbance to the wires through casual contact secure a tray cable near the rack frame using multiple cable ties Use at least four cable ties a minimum of four inches apart The first tie should be within six inches of the terminal block 7 Connect the DL3800E unit to a DC power source connected improperly Do not operate the DL3800E unit without a ground connection to the ground stud WARNING Damage to the DL3800E unit may result if power is The DL3800E unit automatically runs a self test at power up during which the front panel displays a self test message Payload service resumes upon completion of the self test and the front panel displays the following default message EFS 00 0 PERCENT WARNING Do no
92. ing window approximately 10 6 will create a Minor Alarm FE A Frame Error FE is declared when two out of four consecutive framing bits are in error Typically an FE indication will be accompanied by a significant number of payload data bit errors This display provides the number of FEs that have occurred in the accumulation period 5 10 DL3800E Inverse Multiplexer User s Guide July 9 2001 O1 IIl Table 5 3 NET Statistics Items Continued Parameter Definition EB CV An Errored Block EB is a block in which one or more bits are in error The EB if therefore equivalent to the Code Violation CV count calculated and displayed in the previous versions of the DL3800E This count allows a user to monitor the rate of EB faults on a line that is unavailable EBs are counted in the unavailable state ES SES and BBE are not counted in the unavailable state ES An Errored Second ES is a one second period with one or more errored blocks such as one or more CRCA errors or an Out Of Frame OOF This display provides the number of ESs that have occurred in the accumulation period ESs are not accumulated during UAS SES Severely Errored Seconds SES is a one second period which contains 30 or more errored blocks or at least one severely disturbed period SDP An SDP is present if either a LOS AIAS or LOF occurs Since there are 1000 blocks per second an SES is a one second period which contains eithe
93. ings C 1 Table C 3 Network Settings C 2 Table C 4 Network Threshold Settings C 2 Table C 5 SNMP Configuration Settings C 2 Table C 6 Test Settings C DL3800E Inverse Multiplexer User s Guide July 9 2001 AUDIENCE Preface The DL3800E Inverse Multiplexer User s Guide provides the information you need to install test operate and manage the DL3800E Inverse Multiplexer This guide is prepared for network managers and technicians who are responsible for the installation of LAN to WAN equipment and who are thoroughly familiar with the network topology in which the DL3800E Inverse Multiplexer is expected to operate ORGANIZATION Chapter 1 Quick Install Guide provides a concise installation procedure for most applications Chapter 2 Introduction provides a description of the DL3800E Inverse Multiplexer system architecture a discussion of features and benefits and a sample application Chapter 3 Installation provides guidelines for placing and securing the DL3800E Inverse Multiplexer in the operation site Use this chapter to find out about command tools system access and basic configuration Chapter 4 Terminal Interface shows how to monitor and manage the DL3800E Inverse Multiplexer using a VT100 terminal Chapter 5 Front Panel Interface shows how to monitor and manage the DL3800E Inverse Multiplexer using the front panel Chapter 6 Diagnostics provides guidelines for tro
94. isted in Table 5 3 Table 5 3 NET Statistics Items Definition EFS Error Free Seconds EFS is calculated whenever ESR is calculated and is the simple percentage complement of ESR EFS 100 0 ESR When there have been UAS in the statistics history for the past 24 hours then EFS is set at 10076 ESR Errored Second Ratio ESR is the ratio of ES to total seconds in available time during a fixed measurement interval The fixed interval is the last 24 hours before the current 15 minute interval When there have been UAS in the statistics history for the past 24 hours then ESR is set at 0 SESR Severely Errored Second Ration SESR is the ratio of SES to total seconds in available time during a fixed measurement interval The fixed interval to be used is the last 24 hours before the current 15 minute interval When there have been UAS in the statistics history for the past 24 hours then SESR is set at 0 BBER Background Block Error Ratio BBER is the ratio of errored blocks to total blocks during a fixed measurement interval excluding all blocks during SES and unavailable time The fixed interval is equal to the last 24 hours before the current 15 minute interval BPV This display provides the number of Bipolar Violations BPVs that have occurred during the accumulation period A total of 15430 BPVs in a 10 second sliding window approximately 10 3 will create a Major Alarm and 916 BPVs in a 600 second slid
95. k to the E1 network It can test a problem whose source is the E1 line LOCAL Loopback Test Use the LOCAL Loopback test to verify the operation of the DL3800E unit data port and its connections To receive valid test data at the DTE device run LOCAL Loopback on all active E1 ports 6 2 DL3800E Inverse Multiplex User s Guide July 9 2001 6 Payload Loopback and Line Loopback Tests Use the PAYLOAD Loopback and LINE Loopback tests to verify the proper operation of the DL3800E unit and selected E1 networks Both tests loop the payload data received from the E1 network back to the network With the PAYLOAD Loopback the DL3800E unit regenerates the data and inserts a new framing pattern before it loops back the data This verifies the unit s E1 framing and the E1 network With the LINE Loopback the DL3800E unit does not do any additional processing of the data before it regenerates it and loops it back This minimizes the involvement of the DL3800E unit during this test so that problems can be isolated to the network PAYLOAD and LINE Loopbacks remove the port from the DTE data bundle unless the port is configured to Install Test Only mode Possible Sources of Problems The PAYLOAD Loopback can test a problem whose source may be the DL3800E The LINE Loopback can test a problem whose source may be the Telco E1 line wiring between the Telco demarcation points the DL3800E unit at one or both ends or the cable b
96. larm has been detected This alarm is based on the External Alarm contacts on the back panel Proc Restart Unit has rebooted RAM Test Fail This occurs if the unit s RAM does not pass the memory test which occurs at startup Terminal Interface 47 4 8 Table 4 2 3800E Alarm Descriptions ALARM DESCRIPTION ROM Checksum Fail This occurs if the checksum for the code image stored in ROM does not match that expected No Ext Clk No clock detected on the External Clock DB 9 connector on the back panel Primary Clock The set primary receive clock source is now providing the network receive clock Secondary Clk The set secondary receive clock source is now providing the network receive clock Occurs if the primary source has been lost Internal Clk Loss of Internal Clock Sync Net 1 Net Port 1 is the network receive clock source Sync Net 2 Net Port 2 is the network receive clock source Sync Net 3 Net Port 3 is the network receive clock source Sync Net 4 Net Port 4 is the network receive clock source Sync Net 5 Net Port 5 is the network receive clock source Sync Net 6 Net Port 6 is the network receive clock source Sync Net 7 Net Port 7 is the network receive clock source Sync Net 8 Net Port 8 is the network receive clock source No Net Sync Shows all port are down More specifically if a network cl
97. ld Exceeded DIGITAL LINK DL3800E SR 2 00 00 NODE 7 01 01 90 05 55 07 MJ SELECTED DEVICE ADDRESS 7 00 000 NAME DTE AND NETWORK TESTS Exit Confirm DTE TESTS DTE NETWORK LOOPBACK Off NETWORK TESTS PORTH PAYLOAD LOOPBACK LINE LOOPBACK LOCAL LOOPBACK off off off off off Off off off o yAn AUNE Figure 4 20 TESTS MENU Terminal Interface 4 43 4 44 To initiate a test use the CURSOR keys to move the highlight bar to DTE Network Loopback or a Payload or Line Loopback on a selected port Use the space bar to toggle between OFF and ON until ON appears in the display When that selection appears in the display move the highlight bar to CONFIRM and press the Enter key To cancel a test that is running move the highlight bar to DTE Network Loopback Use the space bar to toggle between the options until OFF appears in the display Move the highlight bar to CONFIRM and press the Enter key DTE Network Loopback The DTE NETWORK LOOPBACK is a bi directional loopback that loops the received DTE signal back to the DTE and the signal from the E1 processor back towards the E1 network This loopback is used to verify the operation of the DTE and associated cabling Payload Loopback The payload loopback is used to verify proper E1 network operation of the DL3800E unit and the E1 network The Payload Loopback loops the payload data received from the E1 network back towards the network The data is regenerated and a new frami
98. led Control Default RTS The following entries must be added 4 24 DL3800E Inverse Multiplexer User s Guide July 9 2001 4 Table 4 6 DTE CONFIGURATION MENU Options Continued Parameter Description Action CA MODE Allows user to set the CA lead to ASSERT DEASSERT or AUTOMATIC when the interface is set to HSSI This setting is only accessible when the interface type is set to HSSI To change or set the CA lead status use the UP and DOWN ARROW keys to highlight CA and use space bar to toggle between ASSERT DESSART or AUTOMATIC until the desired choice appears Highlight CONFIRM and press Enter to confirm the change In AUTOMATIC mode the 3800 places the signal high when there is one or more active network signals Default AUTOMATIC DTE LOSS DETECTION Allows users to set the criteria by which a DTE Loss of Signal will be detected when the interface is set to HSSI This setting is only accessible when the interface type is set to HSSI To change or set the DTE LOS criteria use the UP and DOWN ARROW keys to highlight DTE LOSS DETECTION and use the space bar to toggle between TA and NONE until the desired choice appears Highlight CONFIRM and press Enter to confirm the change Default TA Network Configuration This submenu allows you to configure various Network parameters The configurable parameters include CRC4 TSLOT16 and National Bits To access the NETWORK CONFIGURATION MENU move the
99. llowed Provision and Maintenance access described above Display Only Allows you access to view only screens You are not allowed to make any changes or initiate tests No Access Not allowed to access the menu screens Terminal Automatic Logout Sets the Automatic Logout feature of the DL3800E The unit will logout if no activity is detected for the amount of time configured To change configuration highlight the item and using the Space Bar toggle until your selection appears Move the highlight to Confirm and press Enter to confirm the change The default is Off with15 sec 30 sec min three min five min 10 min and 30 min also configurable 4 38 DL3800E Inverse Multiplexer User s Guide July 9 2001 4 NOTE If the you try to access a screen or perform a function beyond your allowed access level the following message appears Access denied your account does not have this PRIVILEGE SNMP Configuration Through the SNMP CONFIGURATION MENU you configure the Network Manager NMS port on the rear panel of the DL3800E setting various addresses and configurable items required for operation with an SNMP Network Manager The DL3800E unit utilizes SLIP protocol over the RS232 port to communicate with the SNMP management station To access the SNMP CONFIGURATION MENU move the highlight bar to SNMP CONFIGURATION in the CONFIGURATION MENU and press Enter Figure 4 19 is an example of the SNM
100. ltiplexer User s Guide July 9 2001 c polarity port protocol Any condition where there are two opposing charges such as positive and negative The physical point of access into a computer network or other electronic device A formal set of rules governing the format timing sequencing and error control of exchanged messages on a data network RD Receive Data receiver repeater return to zero A data port signal The receiver synchronizes the framing pattern separates the frame bits from the payload data and monitors for frame errors in 64 kbps mode It achieves frame synchronization within 5 milliseconds Equipment that receives a pulse train amplifies it retimes it and then reconstructs the signal for retransmission Method of transmitting binary information such that after each encode bit voltage returns to the zero level RI Ring Indicator RJA8S RLSD RS232 A data port signal An 8 position keyed jack used to connect services that are covered under FCC Part 68 Rules such as public switched digital service PSDS switched 56 19 2 Kbps service 64 Kbps service and synchronous digital data with secondary channel Receive Line Signal Detect a data port signal A TIA EIA standard for serial transmission Glossary G 11 G RS232 C An EIA specified physical interface with associated electrical signaling between data circuit terminating equipment DCE and data te
101. lue Yellow or Red Alarms or Major Alarm Thresholds being exceeded and 1 if in HSSI mode the TA must be asserted or 2 if in non HSSI mode you must select DTR or RTS A Blue Yellow or Red Alarm or the exceeding of Major Alarm Thresholds will cause the E1 to be taken out of service DL3800E Inverse Multiplexer User s Guide July 9 2001 4 Statistics This menu allows you to access the performance STATISTICS SUBMENU of any E1 port Highlight STATISTICS in the INVERSE MUX MAIN MENU and press the Enter key The STATISTICS MENU appears Figure 4 3 f major 01 01 90 04 58 17 Unit 0 NET 2 114 A Network 15 Minute UAS Major Threshold Exceeded Major 01 01 90 04 58 17 Unit 0 NET 1 114 Network 15 Minute UAS Major Threshold Exceeded Digital Link DL3800E SR 2 00 00 NODE 7 01 01 90 05 55 07 MJ SELECTED DEVICE ADDRESS 7 00 000 NAME STATISTICS MENU Exit NETWORK NETWORK NETWORK NETWORK NETWORK NETWORK NETWORK NETWORK STATISTICS STATISTICS STATISTICS STATISTICS STATISTICS STATISTICS STATISTICS STATISTICS ON AUF WN HP Figure 4 3 STATISTICS SUBMENU Terminal Interface 4 11 To view the performance statistics of any one E1 port highlight that port and press Enter The NET STATISTICS for that port Figure 4 4 will appear on the screen filed 087 08 97 11 82 33 Unit 2 NET 1 61145 Network 15 Minute URS Major Threshold Exceeded Idled Major 687 08 97 11 44
102. mmunication port B 5 DB 25 to DC 37 port B 4 DC 37 to DB 25 DCE B 5 pin assignments channel 1 data cable B 2 Possible Sources of Problems 6 3 POWER A 3 power 48 VDC DC power 3 4 DC 3 3 Warning 3 4 power up 3 4 Power Up And Reset 5 5 Product Features 2 2 R RAM Software Options 4 34 RAM Software Options Activate RAM Software 4 34 RAM Software Options Query RAM Software 4 34 Restart Node Software 4 36 RS 449 DB 25 to DB 25 DTE Connector Pin Assignments B 3 Running Diagnostic Tests 6 1 S Save Configuration 4 30 4 42 Screen Description 4 2 Select Local Remote 4 4 Select Remote Select Local 5 7 Signal Flow 2 4 SNMP Configuration 4 39 SNMP Configuration Settings C 2 Software Download 4 31 Software Download Options 4 33 Specifications Appendix A A 1 Statistics 4 11 Symbols xviii System Benefits 2 3 System Features 2 2 System Overview 2 1 System Utilities 4 30 T TC cable 3 4 TERMINAL CONNECTION B 1 Terminal Interface Chapter 4 4 1 Terminal Operation Overview 4 2 Test Menu 5 11 Test Settings C 3 Tests 4 43 TFTP Software Download 4 35 Top Menu 5 5 tray cable installing DC power 3 4 Troubleshooting 6 4 TROUBLESHOOTING THE DL3800E 6 3 U Unit Configuration 4 17 Unit Settings C 1 Up Arrow and Down Arrow Buttons 5 2 Ww Warning power 3 4 X X 21 to DB 25 Cable Pinouts B 7 H2 DL3800E Inverse Multiplexer User s Guide July 9 2001
103. mon Equipment Status 58 DTE Status 5 9 NET 1 8 Status 5 9 NET 1 8 Statistics 5 9 Test Menu 5 12 DTE Tests 5 14 DTE NET Loopback 5 14 Network Tests 1 8 5 15 Payload Loopback 5 15 Line Loopback 5 16 Local Loopback 5 16 Configuration Menu 5 17 Node Configuration 5 19 DTE Configuration Menu 5 24 Network Config 5 26 NET N Config 5 28 Network Thresholds 5 28 Chapter 6 Diagnostics 6 1 Equipment Return And Repair 6 1 Running Diagnostic Tests 6 1 DTE Network Loopback Test 6 2 LOCAL Loopback Test 6 2 Payload Loopback and Line Loopback Tests 6 3 Possible Sources of Problems 6 3 Troubleshooting the DL3800E 6 3 DL3800E Inverse Multiplexer User s Guide July 9 2001 Appendix A Specifications A 1 E1 Network Interface A 1 External Clock Interface A 1 DTE Interface A 2 COMM PORT A 2 NMS Port SNMP A 2 Front Panel A 3 Diagnostics A 3 Power A 3 Environmental Bao Physical Connectors A 4 External Alarm Contacts A 4 Appendix B Pinouts B 1 Terminal Connection B 1 DCE Connectors B 1 Channel 1 Data Cable Pin Assignments B 2 DB 25 to DC 37 Data Port Cable Pin Assignments B 4 Communication Port Pin Assignments B 5 RS 449 DC 37 to DB 25 DCE Cable Pin Assignments B 5 E1 Network Pin Assignments B 6 DB 25 to DE 9 Adapter Pinouts B 6 X 21 to DB 25 Cable Pinouts B 7 External Clock Connector Pin Assignments B 7 Alarm Pinout B 9 DC Power Connections B 10
104. mpletion of Self Test When the Self Test message is removed the default message DL3800E Inverse Multiplexer appears on the display TOP MENU NOTE The menu system in the DL3800E unit is consistent with other OQ Quick Eagle Networks products Therefore a user familiar with an existing product can easily operate the DL3800E An example of a menu tree is shown below The TOP MENU loop consists of five items 1 DL3800E Inverse Multiplexer designation 2 Select Remote Local 3 MONITOR MENU 4 TEST MENU and 5 CONFIGURATION MENU Front Panel Interface 5 5 5 6 Select Remote Local Display Menu Test Menu Configuration Menu This menu loop may also be entered at any time by pressing the Exit button to go up the menu hierarchy until reaching the TOP MENU Continuing to press Exit while in the TOP MENU brings the unit to the default display DL3800E INVERSE MULTIPLEXER scrolling across the screen Pressing the UP and DOWN ARROW buttons get you into the menu loop A menu is selected by pressing Enter when the menu name appears on the display The DISPLAY MENU is used for displaying Node Status DTE Status and Status of each installed E1 network The 24 hour line data is only available with the terminal interface or through the Network Manager The data in the DISPLAY MENU is a subset of the parameters that are available on the ALARM AND STATUS MENU through the terminal interface or the Network Manager The TEST M
105. n the menu is first displayed it will show the present Stop Bits configuration either 1 1 5 or 2 Front Panel Interface 5 21 o Table 5 5 NODE CONFIGURATION MENU Items Continued Parameter Definition Local Terminal XON XOFF With the Flow Control feature On the terminal can request that the Terminal quit sending data when its buffers are full The choices are Use or Ignore XON XOFF Terminal Multidrop If the local terminal is connected to more than one DL3800E it must be in Multidrop Mode If it is connected to only one unit this feature can be disabled When it is disabled the system comes up directly without having to log in The choices are Multidrop Mode and Direct Terminal 5 22 DL3800E Inverse Multiplexer User s Guide July 9 2001 O1 IIl COMM PORT CONFIG Arrow keys change m x 5 m z 5 m D m z E m D alie dn baud rate in BAUD RATE 9600 BAUD RATE 9600 EXIT EXIT EXIT t 2 ENTER Arrow keys change ENTER a c parity PARITY EVEN PARITY EVEN EXIT EXIT EXIT 2 t ENTER Arrow keys change ENTER a c length of data bits c DATA BITS 8 DATA BITS 8 EXIT EXIT EXT t m ENTER Arrow keys change ENTER a c stop bits c STOP BITS 2 STOP BITS 2 EXIT EXIT EXIT ENTER ENTER USE XON XOFF USE XON XOFF EXIT EXIT EXIT ENTER ENTER MULLTIDROP MODE MULTIDROP MODE EXIT TEU e T To node configuration menu item COMM PORT CONFIG Note that both the NODE HW HARDWARE R
106. n the selections until the desired choice appears The options are SCT or SCTE Tx Normal or Inverted and Rx Normal or Inverted When the desired selection is in the display highlight Confirm and press the Enter key to confirm the change Default SCTE Tx Normal Rx Normal RLSD Receive Line Signal This allows you to Assert DeAssert or set to Automatic the RLSD leads Detector To change or set the RLSD lead status use the UP and DOWN ARROW keys to highlight RLSD and use the Space Bar to toggle between Assert DeAssert or Automatic until the desired choice appears Highlight Confirm and press the Enter key to confirm the change In Automatic mode the 3800E places the signal high when you have a clear signal from the network indicating the E1 is up and running In X 21 mode RLSD refers to the X 21 signal called Indication Default Automatic Terminal Interface 4 23 4 Parameter Table 4 6 DTE CONFIGURATION MENU Options Continued Description Action DSR Data Set Ready This allows you to Assert DeAssert or set to automatic the DSR leads To change or set the DSR lead status use the UP and DOWN ARROW keys to highlight RLSD and use the Space Bar to toggle between Assert DeAssert or Automatic until the desired choice appears Highlight Confirm and press the Enter key to confirm the change In Automatic mode the 3800E places the signal high when the DTE is sending the associated signal lead DTR
107. ng pattern is inserted prior to being looped back In this way the E1 framing of the unit and network can be verified Line Loopback The line loopback is used to verify the operation of the E1 network The line loopback loops the data received from the E1 network back towards the network The data is regenerated prior to being looped back however no additional processing of the data is done by the DL3800E This minimizes the impact of the DL3800E unit during this test so that network problems can be isolated Local Loopback The local loopback is used to verify the operation of the DTE and connections The local loopback loops the data received from the DTE back towards the DTE at the network interface DL3800E Inverse Multiplexer User s Guide July 9 2001 aN Il DTE NETwork Payload Line local Loopback Loopback Loopback Loopback gt DTE Framer a El DTE Interface Transceiver Network lt a DL3800E Figure 4 21 Loopbacks within the DL3800E unit Remote Loopback Detection The DL3800E has the capability of detecting loopbacks which are set on the remote 3800E or somewhere in the network line When a remote loopback is detected the 3800E removes the port from the DTE data bundle and reduces the DTE data rate sets the port LED to yellow and changes the port status in the Alarms amp Status menu to read Remote Lpbk It also generates an SNMP alarm enRemoteLpAlarm When the remote loopback is cleared the
108. ock cannot be sourced from any port DTE HSSI Channel Lpbk A HSSI hardware loopback has been set User Lpbk The DTE Network loopback has been set V 35 LT Lpbk A V 35 hardware loopback has been set DL3800E Inverse Multiplexer User s Guide July 9 2001 aN IIl Table 4 2 3800E Alarm Descriptions ALARM DESCRIPTION DTE Loss The signal indicating DTE presence has been lost DTR On The V 35 DTR signals is present RTS On The V 35 RTS signal is present RLB On The V 35 DTE Remote Loopback signal has been set LT On The V 35 LT signal is present TA On The HSSI TA signal is present LA On The HSSI LA signal is present LB On The HSSI LB signal is present DSR On The V 35 DSR is asserted CTS On The V 35 CTS signal is asserted RLSD On The V 35 RLSD signal is asserted TM On The V 35 TM signal is asserted CA On The HSSI CA signal is asserted LC On Not used Line crossed E1 network lines are crossed Terminal Interface 4 9 4 10 NOTE Status display will read ACTIVE if the DL3800E unit is in Inverse Mux mode and receiving I Framing on the E1 without Blue Yellow or Red Alarms or Major Alarm Thresholds being exceeded If the E1 Network Configuration is set to NEVER USE and a good E1 is connected the Alarm amp Status display will read NOT USED In Single DSU Mode the DL3800E unit is Active if it is receiving valid E1 pulses from the network without B
109. of unavailable seconds begins These 10 seconds are part of the unavailable seconds count At the onset of 10 consecutive non SES events a new period of available time begins These 10 seconds are part of available time UAS occurs as soon as a Red Alarm is invoked such as after two seconds of LOS ES SES and BBE are not counted during unavailable time Rate parameters ESR SESR and BBER are the ratio of the faultseconds count to the total seconds in available time Event History Use this screen to review and clear the DL3800E unit alarm and status history To view the EVENT HISTORY move the highlight bar to EVENT HISTORY in the NODE MAIN MENU and press Enter Use the up and down keys to move to the next or previous page of the EVENT HISTORY MENU Terminal Interface 4 15 4 Table 4 4 Alarm Level Alarm Parameter Definition Alarm Level Major Service affecting Minor Needs attention not yet service affecting Idled Alarm condition has expired Status Non service affecting event Date and Time Date and time of the occurrence or expiration of the alarm state Address The address is the physical location Device The device reporting the status and alarm condition Unit and the type of device NET DTE or NODE Event Code Number designation for type of alarm or status condition This number will be useful when contacting the factory Description Describes the event To clear the
110. opback An EIA 232 D signal which indicates that the DTE is ready for operation DTR Data Terminal Ready Signal from DTE to DSU CSU EER Excessive Error Rate Determined by counting the number of T1 T3 code violations during a time interval EFS Error Free Seconds Occurs when a second is free of CRC 6 violations or Out of Frame OOF events or one or more BPV or OOF events EIA Electronic Industries Association An organization which sets data communication industry standards encoding decoding The process of reformatting information into a format suitable for transmission and then recovering it after transmission G DL3800E Inverse Multiplexer User s Guide July 9 2001 C The spacing and operation of amplifiers so that the gain provided by the amplifier per transmission frequency coincides with the signal loss at the same frequency circuitry that compensates for the differences in attenuation at different frequencies equalization ES Errored Second Occurs when a second has one or more OOF events or CRC violations or with one or more BPV or OOF events ESF Extended Superframe Format A new T1 framing standard used in Wide Area Networks WANs With this format 24 frames instead of 12 are grouped together ESF provides frame synchronization cyclic redundancy checking and data link bits in overhead It allows more information to be stored and retrieved easily facilitating network performance monitoring
111. or applications such as LAN to LAN internetworking bulk data transfer video teleconferencing and disaster recovery Figure 2 1 DL3800E Inverse Multiplexer The inverse multiplexing technique employed by the DL3800E unit is completely transparent to the DTE application as the multiple E1 circuits act as a single high speed data link The DL3800E unit can accept up to a 31 millisecond differential delay between individual E1 circuits thus providing the capability to accommodate E1 circuits from divergent paths This is often the case with circuits being utilized from different carriers An excessive delay alarm will cause an F1 line to be taken out of service If the relative delay between all the E1 lines exceeds 31 milliseconds then the E1 lines are removed from service one port at a time until the remaining group reside within the 31 millisecond window The first port taken out of service will be the one that is farthest away from the average value regardless of its relative delay value In order to restore an E1 line you must use the manual restore command In order to bring an E1 line back into service execute the manual restore command on the remote unit first Then execute the manual restore command on the local unit Auto restore will not work for lines removed due to excessive delay The DL3800E unit supports either High Speed Serial Interface HSSI or V 35 RS449 X 21 interfaces to the DTE 2 1 The DL3800E unit feat
112. passing through a data communications link or network This allows a technician or built in diagnostic circuit to compare the returned signal with the transmitted signal and get some sense of what s wrong LOS Loss of Signal Occurs when an input signal is detected as all zeros for 176 bit times loss A reduction in signal strength expressed in decibels LSC Loopback Select Code An indicator describing a DSU loopback characteristic LSC is a minimum of 35 LSC bytes of S11101F1 with secondary channel LT Local Test A data port signal to DSU CSU mask Refer to subnet mask MIB Management Information Base A structure that defines what is obtainable from a network device and what can be controlled It has a directory listing the logical names of all information resources residing in the network and pertinent to the network s management It is used to describe network management variables multiplexer Any device that allows two or more users to share a common physical transmission medium Employed in pairs where each device performs both multiplexing of the multiple user inputs and demultiplexing of the channel back into the separate user data streams multiplexing The combining of multiple data channels onto a single transmission medium Typically data streams are interleaved on a bit or byte basis time division or separated by different carrier frequencies frequency division Glossary G 9 G multidrop A
113. pdate the node database with all the changes made move the highlight bar to CONFIRM and press Enter Changes can be confirmed after each change or after all changes have been made This completes the node configuration To abort the changes move the highlight bar to EXIT and press Enter before confirming the changes Note If the terminal speed parity or stop bits are changed it is necessary to change the terminal before continuing DTE Configuration This menu allows you to configure certain parameters of the DTE including the interface type clock source status of leads and loss criteria To access the DTE CONFIGURATION MENU move the highlight bar to DTE CONFIGURATION in the CONFIGURATION MENU and press Enter Figure 4 9 4 10 4 11 and 4 12 are examples of the DTE Configuration Interface Menus V 35 RS 449 X 21 and HSSI and Table 4 6 describes the menu items DL3800E Inverse Multiplexer User s Guide July 9 2001 ia DIGITAL LINK DL3800E SR 3 SELECTED DEVICE ADDRESS DTE CONFIGURATION DTE INTERFACE DTE TOGGLE INTERVAL V 35 RS 449 X 21 OPTIONS CLOCK RLSD MODE DSR MODE CTS MODE TM MODE DTE LOSS DETECTION HSSI OPTIONS CA MODE DTE LOSS DETECTION Ne SCTE Tx Clock AUTOMATIC AUTOMATIC AUTOMATIC AUTOMATIC NONE 00 22 NODE 1 09 20 00 03 55 47 MJ 1 00 000 NAME Exit Confirm V 35 2 sec INVERTED Rx Clock NORMAL Figure 4 9 DTE CONFIGURATION MENU V
114. port is restored to DTE bundle and LED is restored to green Port loopback status is cleared and the SNMP alarm enRemoteLpAlarm is idled This loopback detection has some limitations It will not work when a Unit Number of zero is set factory default Also false remote loopback conditions will be reported on all ports if the remote Unit Number is the same as the local Unit Number NOTE Remote loopback detection is disabled when the net is configured for Install Test Only Terminal Interface 4 45 Il M WARNING The E1 Loopback tests will result in removal of the E1 A port from service unless the port is configured for Install Test Only mode In this mode a port in loopback will remain in service which will disrupt traffic Manual Network Restoration The DL3800E s E1 ports are normally set to auto restore However you may choose to individually restore E1 networks after they fail through the MANUAL NETWORK RESTORATION MENU OQ NOTE Manual restore will only work under the following conditions 1 If the port has previously been set to Use w manual restore in the Network Configuration screen 2 If the E1 is not in alarm If the E1 is in alarm you must first clear the alarm statistics in the STATISTICS MENU To learn how to clear alarm statistics see Statistics on page 4 11 To access the MANUAL NETWORK RESTORATION MENU Figure 4 22 on page 4 47 move the highlight bar to Manual Network
115. r a combination of 300 or more CRCA errors an OOF or at least one of the following LOS AIS or LOF This requirement is a slight change from the prior DL3800E unit SES definition which required 320 or more CRCA errors or LOS AIS or LOF SESs are not accumulated during UAS BBE A Background Block Error BBE is an errored block not occurring as part of an SES A BBE is calculated and displayed as a raw count of non SES EBs The count is updated at the end of every measurement second excepting any second that is an SES The updated count is discarded for all UAS UAS Unavailable Seconds This display provides the number of UAS that have occurred in the accumulation period At the onset of 10 consecutive SES events a period of unavailable seconds begins These 10 seconds are part of the unavailable seconds count At the onset of 10 consecutive non SES events a new period of available time begins These 10 seconds are part of available time UAS only occurs at the onset of 10 SES ES SES and BBE are not counted during unavailable time Rate parameters ESR SESR and BBER are the ratio of the fault seconds count to the total seconds in available time Front Panel Interface 5 11 f TEST MENU 5 12 The TEST MENU is used to activate network loopbacks and DTE loopbacks The TEST MENU is only available when the unit is not in the Protected Mode Tests are performed by selecting a test from the TEST MENU or one of the TEST s
116. r an Alarm Indication Signal AIS Make sure the remote unit is receiving a valid E1 If it is not it will transmit a yellow alarm Diagnostics 6 5 6 Problem Table 6 1 Troubleshooting 3 of 5 Solution The NETWORK E1 LEDs on an DL3800E unit are flashing green Make sure a valid DTE device is connected to the DL3800E and is powered on If no DTE device is connected and the unit is configured for V 35 or RS449 make sure that DTE LOSS is set to None If the unit is configured for HSSI check for a valid HSSI signal TA If a DTE device is connected make sure all DTE port LEDs are on Check the CURRENT ALARMS AND STATUS ITEMS MENU to make sure no alarm thresholds have been exceeded An E1 circuit is taken out of service for a configured amount of time if Fallbacks in Network Alarm Thresholds or Second Error Restoral Interval in Network Configuration is enabled and a threshold has been exceeded Make sure that the correct E1 cable is connected to the correct E1 port Make sure that the E1 lines are not crossed Check Alarms amp Status Menu You must restore the E1 line manually if it is configured for use w Manual Restore in Network Configuration and a threshold or alarm condition has been exceeded The DTE port LED s on the DL3800E unit do not illuminate Make sure the correct DTE cable is securely attached to both units and the connected DTE device is actually passing traffic If th
117. r breach of the foregoing warranty shall be deemed waived unless notice of such claim is received by Quick Eagle Networks during the applicable warranty period and unless the items claimed to be defective are returned to Quick Eagle Networks within thirty 30 days after such claim Failure of Quick Eagle Networks to receive written notice within the specific period shall constitute a waiver by buyer of any such claim irrespective of whether the facts giving rise to such a claim shall have then been discovered or whether processing further manufacturing other use or resale of such items shall have taken place ii DL3800E Inverse Multiplexer User s Guide July 9 2001 Buyer s exclusive remedy and Quick Eagle Networks total liability for any and all losses and damages arising out of any cause whatsoever whether such cause is based in contract tort including negligence strict liability or otherwise shall in no event exceed the repair price of the unit from which such cause arises In no event shall Quick Eagle Networks be liable for incidental indirect special or consequential damages resulting from any SUCH CAUSE EVENT WHETHER OR NOT QUICK EAGLE NETWORKS IS AWARE OF THE POSSIBILITY OF SUCH DAMAGES Quick Eagle Networks may at its sole option either repair or replace defective goods or work and shall have no further obligation to buyer Return of the defective items to Quick Eagle Networks shall be at buyer s risk and expense
118. r more electronic devices clear channel A characteristic of a transmission path or digital circuit in which the full bandwidth is available to you The phone company does not use any portion of the bandwidth for framing or control bits clock An oscillator generated signal providing a timing reference for a transmission link used to control timing functions such as sampling interval signaling rate and duration of signal elements code conversion The process of changing the bit grouping for a character in one code into the corresponding bit grouping for the character in another CMI Control Mode Idle The process of changing the grouping for a character in one code into the corresponding bit grouping for the character in another communications port Comm Port The electrical interface between a unit and the operator s terminal Operator commands and responses can be communicated through the Comm Port Glossary G 3 G connector A physical interface such as DB 15 or RS 232 C typically with male or female components CPE Customer Premises Equipment Equipment that interfaces the telephone network and physically resides at your location CRC Cyclic Redundancy Check An error checking scheme used to check the received data The CRC bits within the framing are calculated using the contents of the frame The calculation is performed again when the frame is received and the CRC values are compared If they do not match
119. respective clocks are received into a standard E1 framer The output of the E1 framer is fed into the IMUX framer Data coming into the DL3800E Inverse Multiplexer is stored in N independent buffers where N is the number of configured input channels From these buffers the data will be read and IMUX framing removed DL3800E Inverse Multiplexer User s Guide July 9 2001 2 When the incoming signal is framed on the inverse mux frame the framer will start loading its Dual Port RAM The address to the Dual Port RAM is derived from the 16 bit inverse mux frame The software will ask all framers to latch their Dual Port RAM addresses at the same time and by looking at the addresses the software can determine which network has experienced the greatest delay From the receive inverse IMUX framer the incoming data will go to the receive multiplexer The net that is last in time will be enabled to tell the receive multiplexer when to start unloading the Dual Port RAM to the DTE interface To allow for jitter and wander specifications the read address counter will be positioned approximately three frames behind the write address for the network last in time EI Port Crossover Detection When the IMUX F1 circuits synchronize they use the IMUX framing to communicate to know the ports 1 8 A crossover is a situation where a network line is connected to a port on the remote 3800E different from the port it originates from on the local 380
120. ress or the IP address of the remote unit the packet is discarded The unit responds to SNMP packets with its IP address from an NMS with any IP address The unit transmits SNMP responses from either its SLIP port or to the remote unit depending on the direction from which the packet came The IP address of the remote unit must be set to a non zero value for this feature to work This field is shown in Figure 4 19 on page 4 39 Save Configuration This option allows you to manually backup the database to EEPROM at any time To SAVE CONFIGURATION and backup the database to EEPROM highlight SavE CONFIGURATION in the SYSTEM UTILITIES MENU and press the Enter key 4 42 DL3800E Inverse Multiplexer User s Guide July 9 2001 4 Tests The TESTS MENU allows you to initiate or stop four types of loopbacks for each individual network port DTE NETWORK LOOPBACK for the DTE PAYLOAD LOOPBACK LINE LOOPBACK and LOCAL LOOPBACK For troubleshooting suggestions see Troubleshooting the DL3800E on page 6 3 To access the TESTS MENU move the highlight bar to TESTS in the DL3800E unit Main Menu and press Enter Figure 4 20 is an example of the TESTS MENU The individual loopbacks and operation of the menu are described below in the text following the menu Major 01 01 90 04 58 17 Unit 0 NET 2 114 Network 15 Minute UAS Major Threshold Exceeded Major 01 01 90 04 58 17 Unit 0 NET 1 114 Network 15 Minute UAS Major Thresho
121. rious Network Alarm Thresholds which when exceeded will cause the E1 lines to automatically be taken out of service Node Configuration The NODE CONFIG MENU allows you to configure the NODE ID NODE NUMBER DATE amp TIME and NODE COMM PORT Terminal It also displays the NODE HW REV and the SOFTWARE REV which are set by the factory NOTE Only the terminal comm port can be set through the front panel The network management port is set through the ASCII terminal The NODE CONFIG MENU is accessed through the CONFIGURATION MAIN MENU by pressing Enter when NODE CONFIG appears on the display Pressing the DOWN ARROW or UP ARROW button toggles through the submenus Pressing Enter when a selection is in the display allows you to view the present configuration Pressing Enter again will cause the entry to start blinking and allows you to change the selection if desired To change the selection use the DOWN ARROW and UP ARROW buttons to toggle through the choices Pressing Enter selects the option that s in the display as the configuration In the case of changing names and numbers only one number or letter will blink at a time Only that number or letter can be changed After each letter or number is selected press Enter to confirm each change The next letter or number space will then begin blinking and be available for change To abort any change press Exit before you press Enter Front Panel Interface 5 19 II QI
122. rminating equipment DTE RS449 A common 37 position interface for data terminal equipment and data circuit terminating equipment employing serial binary data interchange It is a balanced interface based on unipolar digital signals depending more on current flow than voltage therefore supports greater distances than the RS 232 interface RTS Request to Send A signal sent by DTE to DSU CSU indicating DTE has data ready to transmit SCR Serial Clock Receive A unipolar clock from the DCE signal A data port signal SCT Serial Clock Transmit A unipolar clock from the DCE signal A data port signal SCTE Serial Clock Transmit External The clock signal is echoed from the DTE for the purpose of timing incoming data on long cable runs scrambler A device or software program that encodes data for encryption It distorts a voice or data conversation so that only another like device can figure out the content of the message SD Send Data A signal from DTE to DSU CSU secondary channel A subchannel derived from the main channel It does not carry data messages and is used for diagnostic or supervisory purposes serial transmission A sequential transmission of bits constituting an entity of data over a data circuit SES Severely Errored Second A second during which 320 or more CRC violations or OOF events have occurred ESF framing only G 12 DL3800E Inverse Multiplexer User s Guide July 9 2001 OQ lil
123. rnetworking video teleconferencing bulk data transfer and high speed data recovery System Features e High bandwidth data transmission over 1 through 8 E1 ports e HSSI or V 35 RS449 X 21 DTE interface Automatic Bandwidth response recovery Local or remote management via front panel terminal or embedded SNMP agent Extensive diagnostics Front panel indicators Built in test loops Automatic self test Integral event log with nonvolatile memory DL3800E Inverse Multiplexer User s Guide July 9 2001 2 System Benefits The numerous features of the DL3800E unit provide you with many benefits Reliable full performance access to E1 networks for the widest variety of DTE products Enterprise wide visibility via SNMP Local and remote access via front panel terminal or telnet Complete maintenance and diagnostic support via exhaustive alarm statistic and test capabilities Downloadable code provides for on line upgrade to the DL3800E unit software for both major and minor feature enhancements Application The DL3800E unit accepts data from a high speed bridge router front end processor or other DTE device and multiplexes the bit stream onto one through eight E1 circuits for transmission at N x 1 976 Mbps Because the inverse multiplexing process is completely transparent to the attached equipment the combined E1 circuits appear as a single high speed data link to the DTE The DL3800E unit accepts
124. rrows to Select Conigurable Item Use Up and Down Arrows to Select Conigurable Item e Use Up and Down Arrows to Select Conigurable Item Use Up and Down Arrows to Select Conigurable Item Use Up and Down Arrows to Select Conigurable Item Use Up and Down Arrows to Select Conigurable Item Return to Menu item CONFIGURATION Table 5 4 CONFIGURATION MENU Items Menu Definition Backup Database Used to manually backup the database to EEPROM NODE CONFIG MENU Used to set the unit s ID date time and communications port It also shows you the hardware and software versions DTE CONFIG MENU Used to set the line mode for the DTE DATA port It is also used to define whether the DTE signal is defined missing when the DTR and the RTS line is not asserted Other options include DTE DCE mode V 35 RS449 X 21 and clocking option SCTE SCT Normal or SCT Invert 5 18 DL3800E Inverse Multiplexer User s Guide July 9 2001 O1 IIl Table 5 4 CONFIGURATION MENU Items Continued Menu Definition NETWORK CONFIG Used to set the operating mode Inverse Mux or Single Line DSU and MENU clocking options of that are common to all E1 Network Ports NET N CONFIG MENU Used to set various configurable items that are unique to each individual E1 Network Port including Framing Format TS16 Alarm Reporting Auto Restore and Equalization NET THRESHOLDS MENU Allows you to enable disable and set the values of the va
125. rrows to select PAYLD LINE or LOCAL Loopback ENTER Strike ENTER to actiuvate PAYLD LOOP 5 E Return to Menu item TESTS NOTE A menu item will appear only for those E1 network interfaces installed Front Panel Interface 5 13 E DTE TESTS Only one loopback can be initiated through the DTE TESTS MENU a bi directional DTE NET Loopback To access the DTE TESTS MENU from the TEST MENU press Enter when DTE TESTS appears in the display When in the DTE TEST MENU pressing Enter accesses the DTE NET Loopback DTE NET Loopback 5 14 The DTE NET LOOPBACK is a bi directional loopback that loops the received DTE signal back to the DTE and the signal from the E1 Main Board back towards the E1 Main Board This loopback is used to verify the operation of the DTE and associated cabling the DTE Board and the link between the DTE Board and the E1 Main Board To initiate a DTE NET LOOP from the DL3800E unit front panel press Enter when DTE NET LOOP appears in the display When a DTE DTE LOOP is in operation a plus sign will appear after DTE NET LOOP in the display DTE Net Loop To end the loopback press Enter again while still in the DTE NET LOOPBACK MENU To cancel a test or loopback from any place in the Menu press the END TEST button combination However this will cancel all tests and loopbacks currently in progress Only one test can be performed at a time To start a new test the previous
126. s it down the link At the receive end another DSU CSU equalizes the received signal filters it and decodes it for interpretation by the end user DSU Data Service Unit A device designed to connect a DTE to a digital phone line The DSU transmits and receives the signal and provides buffering and flow control The DSU and CSU are often in the same unit Also called a Digital Service Unit DSR Data Set Ready A data port signal Glossary G 5 G DSU Loopback A DSU loopback is intended to include as much of the customer data communications circuitry in the looped back path as possible The signal passes from the remote unit into the local unit as far as the DSU This test loops the received network signal back to the network DSU CSU Data Service Unit Channel Service Units The pair of communications devices that connect an in house line to an external digital circuit At the customer s end of the telephone connection the DSU CSU takes data from terminals and computers encodes it and transmits it down the link At the receive end another DSU CSU equalizes the received signal filters it and decodes it for interpretation by the end user DSX 1 Digital Signal Cross Connect Level 1 Parameters set used when DS 1 signals are cross connected DTE Data Terminal Equipment Terminal equipment connected to the DSU and used for communication over digital networks May be a terminal computer printer or multiplexer DTE lo
127. s in operation a plus sign will appear after the words PAYLD LOOPBACK in the display Payload Loopback When the loopback is terminated the plus sign disappears To end the loopback press Enter again while still in the PAYLD LOOPBACK MENU Front Panel Interface 5 15 5 5 16 Line Loopback a The Lineloopback is used to verify the operation of the E1 network connection E1 through E8 The line loopback loops the data received from the E1 network back towards the network The data is regenerated prior to being looped back however no additional processing of the data is performed by the DL3800E This minimizes the impact of the DL3800E unit during this test so that the problems can be isolated To initiate a LINE LOOPBACK from the DL3800E press Enter when LINE LOOPBACK appears in the display When a LINE LOOPBACK is in operation a plus sign will appear after the words LINE LOOPBACK in the display as shown below Line Loopback To end the loopback press Enter again while still in the LINE LOOPBACK MENU When the loopback is terminated the plus sign disappears NOTE PAYLOAD and LINE LOOPBACKs will result in removal of the looped port from service unless the port is configured for Install Test Only mode Local Loopback The local loopback is used to verify the operation of the DTE and connections The local loopback loops the data received from the DTE back towards the DTE at the network in
128. shold DL3800E Inverse Multiplexer User s Guide July 9 2001 Table 4 2 3800E Alarm Descriptions ALARM DESCRIPTION SES Threshold Net Port has exceeded the Severely Errored Second Threshold UAS Threshold Net Port has exceeded the Unavailable Second Threshold BPV MN MJ Net Port has declared a Bipolar Violation Major or Minor Alarm OOF MN MJ Net Port has declared an Out Of Frame Major or Minor Alarm BPVs 15 Min MN MJ Net Port has declared a Bipolar Violation 15 minute Major or Minor Alarm CRCs 15 Min MN MJ Net Port has declared a CRC 15 minute Major or Minor Alarm ES 15 Min MN MJ Net Port has declared a Errored Second 15 minute Major or Minor Alarm SES 15 Min MN MJ Net Port has declared a Severely Errored Second 15 minute Major or Minor Alarm UAS 15 Min MN MJ Net Port has declared a Unavailable Second 15 minute Major or Minor Alarm BPVs 24 Hr MN MJ Net Port has declared a Bipolar Violation 24 Hour Major or Minor Alarm CRCs 24 Hr MN MJ Net Port has declared a CRC 24 Hour Major or Minor Alarm ES 24 Hr MN MJ Net Port has declared a Errored Second 24 Hour Major or Minor Alarm SES 24 Hr MN MJ Net Port has declared a Severely Errored Second 24 Hour Major or Minor Alarm UAS 24 Hr MN MJ Net Port has declared a Unavailable Second 24 Hour Major or Minor Alarm COMMON EQUIPMENT External Alarm An External A
129. ss a Figure 4 18 LOGIN CONFIGURATION MENU NOTE Name and Password are case sensitive Terminal Interface 4 37 Il aN Parameter Users must have Full Access class to view or change this screen The name and password can be any alphanumeric designation up to 16 characters in length To enter a name or password move the highlight bar to the appropriate line and column and type in the alphanumeric designation Move the highlight bar to CONFIRM and press Enter to confirm the changes To designate the access privileges that a particular user is to be allowed move the highlight bar to that column of the menu on your line and using the space bar toggle between the following options FULL ACCESS MAINTENANCE PROVISION PROVISION MAINTENANCE NO ACCESS and DISPLAY ONLY NOTE At least one user must have full access to the unit Table 4 8 Login Configuration Options Description Full Access Class View any menu and perform any function It is the only access class where you are allowed to view the LOGIN CONFIGURATION MENU and assign names passwords and access levels to users This user is also the only one who can change the SNMP Configuration Download Software or Delete Entire Node Configuration Maintenance Clears the event history log clear statistics and initiate tests Provision Allows you to configure the DL3800E Provision Maintenance Allows you to perform all functions a
130. t Up and down arrow buttons change LOSS RTS between ATS DTR and NONE Up and down arrow buttons change 4S Lato ca between Auto Assert and Deassert oPpPPPPPP PEF Up and down arrow buttons change HSSI LOSS NONE between TA and NONE gt Front Panel Interface 5 25 5 5 26 Network Config The NETWORK CONFIG MENU allows you to change various configurable items common to all E1 network ports For each item on this menu pressing Enter causes the configurable item to start flashing Pressing the up arrow and DOWN ARROW buttons changes the value of the flashing item Pressing Enter again terminates the configuration of that item Pressing Exit aborts the operation without making the change Each of the Configurable items are described along with the various options in detail in Network Configuration on page 4 25 DL3800E Inverse Multiplexer User s Guide July 9 2001 O1 Il NETWORK CONFIGURATION MENU 9 INVERSE MUX Plor dre MAA AE rir ria 4 gt Up and down arrow buttons Primary TX PRI TX CLK INT Clock source Internal External and Net Up and down arrow buttons Primary AX PRI RX CLK NET 1 Clock source NET1 NETB and Automatic Up and down arrow buttons Secondary TX T SEC TX CLK INT Clock source Internal External and Net Up and down arrow buttons Secondary SEC RX CLK NET 1 RX Clock source NET1 NETS and Automatic Up and down arrow buttons the 4
131. t 1 544 Mbps 1 1 normally can handle 24 voice conversations each one digitized at 64kbps But with more advanced digital voice encoding techniques it can handle more voice channels T 1 is a standard for digital transmission in North America T 1 lines are used for connecting networks across remote distances T3 A digital carrier facility used to transmit a DS 3 formatted digital signal at 44 736 Mbps Glossary G 13 G T Carrier telnet transmitter TRAP U A time division multiplexed digital transmission facility usually operating at an aggregate data rate of 1 544 Mbps A remote terminal application that enables you to log on to a remote computer on the same IP network You can work from the PC as if it were a terminal attached by a hard wired line to the remote computer The application uses the Telnet Internet protocol In 64K mode the transmitter inserts the frame bit with a fixed pattern of 101100 A mechanism by which a device automatically sends an alarm for certain network events to a management station The management station can initiate a polling sequence to the device to determine the cause of the problem UAS Unavailable Seconds V V 35 V 52 V 54 Number of seconds elapsed after 10 consecutive SES events are received ESF framing only A CCITT standard for the trunk interface between a network access device and a packet network It defines signaling for data rates greater than 19
132. t Alarm and Status items that could appear in this menu DL3800E Inverse Multiplexer User s Guide July 9 2001 5 DTE Status The next display shows the status of the DTE data port The menu is accessed by pressing Enter when DTE STATUS appears in the display If errors are detected one or more of the following messages will appear Use the down and UP ARROW buttons to view further messages See Table 4 2 on page 4 5 for a list of those Common Equipment Alarm and Status items that could appear in this menu NET 1 8 Status The next eight displays show the status of the E1 Networks NET 1 STATUS through NET 8 STATUS if all are installed Use the UP and DOWN ARROW buttons to select the E1 Network to be monitored and press Enter Use the UP and DOWN ARROW buttons to view further status items relating to the same E1 circuit See Table 4 2 on page 4 5 for a list of those Common Equipment Alarm and Status items that could appear NET 1 8 Statistics The menu provides you with the various performance statistics of the individual E1 circuits These performance statistics are listed and defined in Table 5 3 To view the statistics of a particular El circuit press Enter when the display reads NET N STATISTICS where N is the number of the desired E1 network port The following table lists and explains the information that can be viewed from the NET STATISTICS MENU for each performance statistic Table 5 2 NET STATISTICS
133. t operate the DL3800E unit without an earth ground connection to the ground stud The DL3800E unit is designed to operate with a negative power supply This means the positive terminal is connected to the ground connected improperly WARNING Damage to the DL3800E unit may result if power is 3 4 DL3800E Inverse Multiplexer User s Guide July 9 2001 3 E1 NETWORK CONNECTION The eight port connector can be either a DB 9 DB 15 or BNC The connectors are located on the DL3800E unit back panel for connecting to the E1 networks Connect the DL3800E unit to each E1 Network using the appropriate cable and connectors available from Quick Eagle Networks DTE CABLE AND CONNECTION DTE interface connectors are provided on the back of the DL3800E a 50 pin SCSI socket receptacle for HSSI compatible DTE and a DB 25 E1A 530 socket connector for V 35 X 21 or RS 449 compatible DTEs If using a HSSI interface the cable connecting the DL3800E unit to the DTE consists of 25 twisted pairs with an overall foil braid shield The DL3800E unit end of the cable should have a plug connector One 50 pin SCSI socket receptacle is provided on the rear of the DL3800E unit to connect it to HSSI based networks systems Cables and connectors are available from Quick Eagle Networks Using the appropriate cable and connectors connect the DL3800E HSSI connector to the HSSI DTE If using a V 35 X 21 interface use a shielded ca
134. ter key to confirm the change Default Disabled Second Error Restoral Interval The second error restoral configuration is found on the Network Configuration Screen on the DL3800E 3900s Choices for configuration are immediate 5 10 15 30 seconds and 1 5 10 15 minutes As seen from previous discussions on fallback conditions you should notice that it is possible that an E1 will constantly go in and out of service on a flaky circuit Every time an E1 is taken out of service or put in service this will momentarily affect your traffic on the other Els In order to prevent this problem second error restoral was created Second error restoral is a feature that will allow the Imux units to monitor a bad E1 for a period of time after it has gone out of service and come back on line Once an E1 has come back after the first out of service state has occurred the Imux unit will monitor the E1 for the second error restoral interval selected If a second out of service state occurs during the monitoring period the Imux unit will keep the E1 out of service when the E1 is good again for the SER time Every time a new error occurs with in the second error restoral period when it is keeping the E1 out of service will restart the SER counter Once the SER timer expires the E1 will be restored and the process will start again You can look SER like two strikes and your out for Els on Imux units Network Thresholds This menu allows you to en
135. terface To initiate a LOCAL LOOPBACK from the DL3800E press Enter when LOCAL LOOPBACK appears in the display When a LOCAL LOOPBACK is in operation a plus sign will appear after the words LOCAL LOOPBACK in the display as shown below Local Loopback To end the loopback press Enter again while still in the LOCAL LOOPBACK MENU When the loopback is terminated the plus sign disappears You can cancel a test or loopback from any place in the menu by pressing the UP ARROW and DOWN ARROW at the same time However this will cancel all tests and loopbacks currently in progress DL3800E Inverse Multiplexer User s Guide July 9 2001 5 CONFIGURATION MENU The CONFIGURATION MENU is used to back up the database and to view and change the unit and Comm Port Configuration parameters network interface parameters and DTE interface parameters The remote unit configuration may also be viewed and changed The DL3800E unit configuration can only be changed when the unit is not in the Protected Mode In Protected Mode the configuration can only be viewed but not changed To use the CONFIGURATION MENU you select the configuration submenu from a hierarchical list and presses Enter You then proceed through the hierarchical menu structure to view or change the chosen parameters When finished with the CONFIGURATION MENU press Exit Front Panel Interface 5 17 Il QI CONFIGURATION MENU Use Up and Down A
136. test must first be terminated Use the Exit button to go out of the TEST MENU Use the other buttons to go into the MONITOR or the CONFIGURATION MENUS to view the performance information or view and change the configuration of the unit while the test is in progress While the test is active the front panel TEST LED is on reminding you that the unit is out of normal service condition The test is terminated by pressing the END TEST button combination at any point in the menus When this combination is pressed the currently active test is canceled and the front panel display returns to the TEST MENU to the test that was just terminated DL3800E Inverse Multiplexer User s Guide July 9 2001 5 Network Tests 1 8 Three NETWORK TESTS can be performed through this menu PAYLOAD PAYLD LOOPBACK LINE LOOPBACK and LOCAL LOOPBACK To access NETWORK TESTS MENU from the TEST MENU press Enter when NETWORK TESTS MENU for a particular E1 circuit NET 1 through NET 8 appears in the display When in a NETWORK TEST MENU pressing the UP or DOWN ARROWs toggle between the three options PAYLD LINE and LOCAL LOOPBACK Payload Loopback The PAYLOAD LOOPBACK on the DL3800E unit is used to verify the proper operation of the E1 network and the DL3800E To initiate a PAYLOAD LOOPBACK from the DL3800E press Enter when PAYLD LOOPBACK appears in the display for the E1 NET 1 through NET 8 line to be looped back When a PAYLOAD LOOPBACK i
137. the number of Consecutive seconds 1 100 containing errors for the number of seconds containing errors in a 15 minute interval 1 900 and for the number of 15 minute intervals containing errors in a 24 hour period 1 96 You can set the threshold value for Minor MI and Major MJ alarms where exceeding the Minor alarm threshold will generate an alarm report and the exceeding a Major alarm threshold will actually cause an E1 line to be automatically taken out of service 5 28 DL3800E Inverse Multiplexer User s Guide July 9 2001 I Pressing Enter when NET THRESHOLDS appears in the display screen will start the menu and allow you to scroll using the down or up arrow buttons through the following options Table 5 6 NET THRESHOLD Options and Values OPTION VALUE CON CRCS 010 CON CRCS OFF CON SES 010 CONSES ON CON UAS 015 CON UAS OFF 15 MIN MI BPV 100 15 MIN MJ BPV 100 15 MIN MJ BPV OFF 15 MIN MI CRCS 100 15 MIN MJ CRCS 100 15 MIN MJ CRCS OFF 15 MIN MI ES 100 15 MIN MJ ES 100 15 MIN MJ ES OFF 15 MIN MI SES 100 15 MIN MJ SES 100 15 MIN MJ SES OFF 15 MIN MI UAS 100 15 MIN MJ UAS 100 15 MIN MJ UAS OFF 24 HR MI BPV 10 24 HR MJ BPV 10 24 HR MJ BPV OFF 24 HR MI CRCS 10 24 HR MJ CRCS 10 24 HR MJ CRCS OFF Front Panel Interface 5 29 5 30 Table 5 6 NET THRESHOLD Options and Values Continued O
138. time condition was reported the Unit and NET E1 port reporting the alarm a code for the type of condition and a description of the condition DL3800E Inverse Multiplexer User s Guide July 9 2001 4 The next two lines in the menu which are always highlighted represent the Status Bar The first line of the Status Bar displays the product type the software release number node number node name date amp time and current alarm status of the unit The second line displays the selected device address and name poe 01 01 90 04 58 17 Unit 0 NET 2 114 NS Network 15 Minute UAS Major Threshold Exceeded Major 01 01 90 04 58 17 Unit O NET 1 114 Network 15 Minute UAS Major Threshold Exceeded Digital Link DL3800E SR 3 00 00 NODE 7 01 01 90 05 55 07 MN SELECTED DEVICE ADDRESS 7 00 000 NAME INVERSE MULTIPLEXER MAIN MENU Select Local Remote Alarms amp Status Statistics Event History Configuration System Utilities Tests Manual Network Restoration M ES J Figure 4 1 INVERSE MULTIPLEXER MAIN MENU The product type is a DL3800E Digital Inverse Multiplexer The software revision is 3 XX where xx equals the latest software revision This number is useful to determine the features that are supported with this release The Node number in this case 7 is user defined This can be used to further identify the node within your network It is recommended that all nodes be given a unique node number T
139. tion The following operations cannot be performed through the Front Panel User Interface when the unit is in Protect Mode Clearing the Error Counters Changing the unit configuration Starting or terminating diagnostic tests The unit can be put into and out of Protected Mode through the Terminal User Interface but not from the Front Panel User Interface To place the unit in protect mode toggle the Front Panel field to Off in the UNIT CONFIGURATION MENU Refer to Unit Configuration on page 4 17 When a user needs to take a unit out of Protected Mode but a terminal is not available the following procedure can be used 1 Turn off the power to the unit 2 Press EXIT and the DOWN ARROW buttons at the same time 3 Turn the power to the unit back on NOTE The unit automatically performs a self test every time the unit is powered up D13800E Inverse Multiplexer User s Guide July 9 2001 DE This procedure takes the unit out of the Protected Mode and clears any password that may have been programmed and sets all parameters to their default settings To allow you to perform this procedure when the unit is in protected mode the Protected Mode is ignored in the first sixty seconds after powering up When in Protected Mode the TEST MENU does not appear in the Main Menu POWER UP AND RESET During power up initialization the unit performs self test and displays a self test message Payload service resumes at the co
140. tion 3 6 Daisy Chaining 3 7 Chapter 4 Terminal Interface 4 1 Log In Log Off 4 1 Terminal Operation Overview 4 2 General Menu Flow 4 2 Screen Description 4 2 Inverse Multiplexer Main Menu Commands 4 4 Select Local Remote 4 4 Alarms and Status 4 5 Statistics 4 11 Event History 4 15 DL3800E Inverse Multiplexer User s Guide July 9 2001 Configuration 4 17 Unit Configuration 4 17 DTE Configuration 4 20 Network Configuration 4 25 Network Thresholds 4 28 Save Configuration 4 30 System Utilities 4 30 Software Download 4 31 Software Download Options 4 33 RAM Software Options 4 34 Delete Entire Unit Configuration revert to factory config 4 35 Login Configuration 4 37 SNMP Configuration 4 39 In Band SNMP to Remote 4 42 Save Configuration 4 42 Tests 4 43 DTE Network Loopback 4 44 Payload Loopback 4 44 Line Loopback 4 44 Local Loopback 4 44 Remote Loopback Detection 4 45 Manual Network Restoration 4 46 Logout 4 47 Chapter 5 Front Panel Interface 5 1 General 5 1 Display Overview 5 1 Button Overview 5 1 Exit Button oe Up Arrow and Down Arrow Buttons 5 2 Enter Button 5 2 Front Panel LEDs 5 3 Access Levels And Protected Mode 5 4 Power Up And Reset 5 5 Top Menu 2 5 Select Remote Select Local 5 7 Display Menu 5 7 Node Com
141. tions and physical properties of diskettes cartridges and magnetic tapes ASCII American National Standard Code The standard and predominant seven bit eight bits with parity character code used for data communications and data processing asynchronous transmission Transmission not related to a specific frequency or to the timing of the transmission facility attenuation Reduction or loss of signal strength measured in decibels opposite of gain G B8ZS Bipolar 8 Zero Substitution bandwidth BER A technique used to accommodate the ones density requirements of T1 transmission The data carrying capacity of a transmission medium usually measured in Hertz Hz which equals cycles per second A measurement of the signaling speed of a data transmission device See bit error rate BES Bursty Errored Seconds bipolar bit error Occurs when a second has 320 or more CRC violations ESF format only The predominant signaling method used for digital transmission services such as DDS and T1 in which the signal carrying the binary value successively alternates between positive and negative polarities Zero and one values are represented by the signal amplitude at either polarity while no value spaces are at zero amplitude Occurs when the value of an encoded bit is changed in transmission and interpreted incorrectly by the receiver Bit Error Rate BER bps Blue Alarm G 2 The percentag
142. to the remote unit is sent over the proprietary IMUX Embedded Data Link EDL The EDL is available regardless of the E1 line coding and framing To download to the Remote Unit you do not log into the Remote instead you select the download destination using the Download Destination field which allows a download to both units at once It also minimizes disruption to the terminal interface session when the Remote Unit does an immediate software activation which involves that unit s rebooting Terminal Interface 4 33 4 34 RAM Software Options RAM Software Options Query RAM Software This feature determines when a valid software image exists in RAM by checking the CRC and image ID The query indicates if the software can be activated in the unit The following response messages are possible RAM Image is valid CRC is valid Image ID is valid RAM Image is active no reboot necessary CRC is valid Image ID is valid but images are identical RAM Image is invalid Product ID Error xxxxxx CRC is valid Image ID is xxxxxx RAM Image is invalid Size too small Header indicated the code buffer is too small RAM Image is invalid Size too big Header indicated the code buffer is beyond its range RAM Image is invalid CRC error CRC is invalid The DL3800E unit image ID is reserved for use in a future application This command does not activate the software if it is downloaded and is pending activation
143. ubleshooting the DL3800E Inverse Multiplexer Appendix A Specifications provides the electrical physical and networking characteristics of the DL3800E Inverse Multiplexer Appendix B Pinouts details connector and pin assignments for the DL3800E Inverse Multiplexer Appendix C Factory Default Settings lists factory defaults for the DL3800E Inverse Multiplexer xvii CONVENTIONS This section describes the formats used to differentiate specific types of information throughout Quick Eagle Networks user guides Symbols Symbols denote text that requires special attention The information contained alongside a symbol corresponds to one of four levels of severity NOTE Follow guidelines in this or the previous paragraph to use the Quick Eagle Networks product more effectively WARNING Follow the instructions in this or the previous paragraph to avoid personal injury ELECTRO STATIC DISCHARGE CAUTION Follow the instructions in this or the previous paragraph to avoid the discharge of static electricity and subsequent damage to the equipment CAUTION Follow guidelines in this or the previous paragraph to avoid equipment damage or faulty application xviii DL3800E Inverse Multiplexer User s Guide July 9 2001 Typography Quick Eagle Networks manuals delineate the names of files commands and actions by using the fonts and typefaces described in the following
144. ubmenus and pressing Enter To end all tests press the END TEST button combination UP and DOWN ARROW buttons simultaneously When a test is selected that could apply to an E1 port you are asked to specify to which fraction the test should apply Only the local unit can be tested from the front panel Testing the remote unit is limited to placing it in the Network Loopback Test The TEST MENU is broken down into two types of submenus DTE TESTS one menu and NETWORK TESTS one for each network interface installed Through these submenus you initiate and stop various tests and loopbacks The TEST MENU is accessed from the Main Menu by pressing Enter when TEST appears in the display Pressing the down or UP ARROW button toggles through the three submenus The submenus are accessed by pressing Enter when the appropriate menu appears in the display DL3800E Inverse Multiplexer User s Guide July 9 2001 O1 ll TEST MENU Strike ENTER to activate DTE NET LOOP DTE NET LOOP Use Up Down Arrows to select PAYLD LINE or LOCAL Loopback Strike ENTER to actiuvate m m z m x m E m D E D E LOOPBACK m 113 E Use Up Down Arrows to select PAYLD LINE or LOCAL Loopback Strike ENTER to actiuvate LOCAL LOOPBACK Use Up Down Arrows to select PAYLD LINE or LOCAL Loopback Strike ENTER to actiuvate m m 13 Da a D m z 5 m D LINE LOOPBACK Use Up Down A
145. unications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense INTERNATIONAL COMPLIANCE Industry Canada This Class A digital device meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada Front Matter v VCCI NOTE As per the Voluntary Control Council for Interference by Information Technology Equipment VCCI the DL3800E Inverse Multiplexer complies with VCCI Class 1 ITE This equipment is in the 1st Class category information equipment to be used in commercial and or industrial areas and conforms to the standards set by the Voluntary Control Council for Interference by Information Technology Equipment aimed at preventing radio interference in commercial and or industrial areas Consequently when used in a residential area or in an adjacent area thereto radio interference may be caused to radios and TV receivers etc Read the instructions for correct handling CORB S BAREE o mxiIlsewdeHenecimemm gt mom CHIAXcoYE MEULETBSLLZISSAESZEESZENEEB Xn BSVCCHMM IBS LTSBV ET fEo C ESMMERTOMBSLAMBCEAT AL Yi TLE YSIS SERS T SAAC eEMHVEFT RRS ceo TELM MOREL tPFew REGULATORY COMPLIANCE vi European harmonized standards 73 23 EEC 91 3
146. ures an automatic rate fallback in the event of a failing E1 circuit If the performance of an El circuit is detected to be falling below accepted levels the DL3800E unit automatically removes the E1 from service and throttles back the DTE to a data rate corresponding to the remaining E1s When the alarm condition on the affected E1 has been cleared the DL3800E unit can automatically restore the E1 and data rate You can configure control and monitor the DL3800E unit through the front panel an ASCII terminal locally or remotely via a modem or remotely in band or a Simple Network Management Protocol SNMP management station The remote DL3800E unit can be managed in band using overhead in all active connections as the communications path The DL3800E unit features an integrated SNMP agent which supports the E1 Management Information Base MIB in addition to a unit specific enterprise MIB A downloadable software feature of the DL3800E unit allows new features and functionality to be added to the unit on line without interrupting the data via the unit s built in communications port or via a selected E1 connection PRODUCT FEATURES 22 The DL3800E Inverse Multiplexer allows you to connect high speed data terminal equipment DTE to multiple E1 links providing aggregate data rates up to 15 808 Mbps Utilizing up to eight E1 links simultaneously the DL3800E unit is ideally suited to high bandwidth applications such as LAN to LAN inte
147. vent this equipment should fail to operate properly disconnect the unit from the telephone line Try using another FCC approved telephone in the same telephone jack If the trouble does not persist and appears to be with this unit disconnect the unit from the telephone line and discontinue use of the unit until it is repaired Please note that the telephone company may ask that you disconnect this equipment from the telephone network until the problem has been corrected or until you re sure that the equipment is not malfunctioning WARNING The DL3800 Inverse Multiplexer complies with FCC Part 15 of the Federal Communications Commission FCC Rules concerning radio frequency emissions for Class A computing devices The following section is required by the FCC A CAUTION In accordance with FCC Part 15 section 15 21 changes or modifications made by the buyer that are not expressly approved by Quick Eagle Networks could void the buyer s authority to operate this equipment This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio comm
148. ware resets the unit without powering down DL3800E Inverse Multiplexer User s Guide July 9 2001 4 To Restart Node Software select DELETE ENTIRE UNIT CONFIGURATION from the SOFTWARE UTILITIES MENU Figure 4 17 and press Enter Use the arrow keys to highlight the Desired Action field Press the space bar until RESTART NODE SOFTWARE appears in the field Confirm the change Move the highlight bar to CONFIRM and press Enter Login Configuration This screen allows you to designate a NAME PASSWORD and ACCESS PRIVILEGE LEVEL for up to eight users When the unit is shipped the factory defaults for username and password are null Pressing Enter bypasses both of these parameters until the first name and password are entered To access the LOGIN CONFIGURATION MENU move the highlight bar to LOGIN CONFIGURATION in the NODE MAIN MENU and press Enter Figure 4 18 is an example of the LOGIN CONFIGURATION MENU vrertaL LINK DL3800E SR 3 00 22 NODE iy 08 27 00 00 55 51 MJ UN SELECTED DEVICE ADDRESS 1 00 000 NAME LOGIN CONFIGURATION Exit Confirm USER IDENTIFICATION PASSWORD ACCESS TYPE S 1 Cole Porter 12CP Full access 2 Arthur Fiedler Artyl Maintenance 3 Louie Armstrong Satchmo Provisional 4 Billie Holiday LadyDay Full access TERMINAL AUTOMATIC LOGOUT Off Must use Logout to return to login prompt TELNET AUTOMATIC LOGOUT 5 minutes after no keyboard activity Xe No access No access No access No acce
149. xix QUICK EAGLE NETWORKS TECHNICAL SUPPORT If you should experience difficulty with the setup and or operation of your Quick Eagle Networks equipment the Quick Eagle Networks Technical Support staff can assist you at any time Telephone 408 745 4200 FAX 408 745 4240 E mail support quickeagle com Internet www quickeagle com RETURNING A UNIT Use the following procedure if you need to return a unit for service or repair 1 Contact the Quick Eagle Networks Customer Service Department at 408 745 4200 or via e mail at era quickeagle com or fax a request to 408 745 4240 to obtain an ERA Equipment Return Authorization number 2 Package the unit carefully and before sealing the shipping carton include any information you can provide about the problems you are currently experiencing with the unit 3 Attach an address label to the shipping carton Be sure to include the ERA number Customer Service Department Quick Eagle Networks 217 Humboldt Court Sunnyvale CA 94089 ERA XX DL3800E Inverse Multiplexer User s Guide July 9 2001 SEND Us YOUR COMMENTS Please let us know if this user guide manual meets your requirements Does the manual answer your questions Is the manual thorough Is the manual easy to use that is can you find the information you need Is anything missing from the manual What would you like to see in the manual Quick Eagle Networks Technical Publications FAX 408 74

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